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Microsoft’s Mixer now lets streamers reward fans for participation, not just subscriptions – TechCrunch



On game-streaming platforms today, there’s really only one way to earn status within a creator’s community: you have to become a subscriber. Microsoft’s game-streaming service Mixer is today aiming to offer a third path to status through loyalty and participation. In doing so, it hopes to better differentiate itself from larger rivals like Twitch and YouTube.

Channel Progression, as this new feature is called, is a system that rewards community members and a streamer’s fans for more than just their financial contributions. It also takes into account other activity within the channel and on Mixer as a whole.

Members can level up by participating in the stream’s chat, by their repeat visits, by using Skills (aka other forms of expression like stickers, effects and GIFs that are used in chats) and more. That means that viewers will be able to earn rewards and raise their rank by just participating — watching, chatting, following, subscribing and, later, through other actions, as well.

As streamers participate, they’ll rank up, gaining them bragging rights and other perks that will vary by their rank level. They also can check on their rank at any time by clicking on the “Your Rank” button at the bottom-left corner of the chat box.

The feature is rolling out on Wednesday May 1, 2019 to all streamers on Mixer — not just Mixer Partner, as it’s designed to not only be a way for streamers to grow their own communities, but for Mixer itself to grow.

In the future, however, Mixer Partners will be able to also reward monetization actions, like subscribing and gift subscriptions, and for spending Embers (virtual currency).

The changes come at a time when there’s been a rise in complaints over how hard it is to get noticed on the leading game-streaming site, Twitch. Some smaller streamers told The Verge last summer they spent years broadcasting to no one, and found it difficult to grow their community, despite the effort Twitch has made in this area. More recently, that’s included the launch of a four-person Squad Stream, to help creators get discovered.

Despite this, Twitch’s long tail continues to grow — according to a recent report from StreamElements, the top 1,000 Twitch channels were responsible for 57% of Twitch’s viewership hours in Q1 2019, and the long tail (those beyond the top 10,000 channels) was responsible for 20%. In total, Twitch hit 2.7 billion hours of content watched in Q1, the report claimed.

Mixer, by comparison, is much smaller. Its numbers may have quadrupled since Q1 2019, but that’s only going from 22 million hours watched to 89 million. It still has much, much further to go to catch up with YouTube Live, not to mention Twitch.

Mixer’s Channel Progression feature was originally announced in November as part of Mixer’s “Season 2” release. It launches tomorrow to all on on the desktop and will roll out to all other platforms in the weeks ahead.

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X-ray analysis reveals hidden composition under iconic portrait of the Lavoisiers



The French 18th-century chemist Antoine Lavoisier is a complicated historical figure. Scientifically, of course, he is an undisputed giant, helping usher in the chemical revolution as the field shifted from a qualitative to a quantitative approach, among many other achievements. He was also a wealthy nobleman and tax collector for the Ferme Generale, one of the most hated bodies of the Ancien regime as the French Revolution gained momentum. Those activities added to his fortune, which he used to fund his (and others’) scientific research and to foster public education. But it’s also why he ran afoul of the revolutionaries in power during the infamous Reign of Terror; they beheaded both Lavoisier and his father-in-law on the same day in 1794 as “enemies of the people.”

Something of that complexity is evident in a new scientific analysis of the famous 1788 portrait, now housed in the Metropolitan Museum of Art in New York, of Lavoisier and his wife, Marie-Anne, by the Neoclassical painter Jaques-Louis David. The painting shows husband and wife posing with a collection of small scientific instruments—a tribute to their intellectual endeavors.

But cutting-edge analysis techniques have revealed that David originally painted a different version, without the scientific accoutrements, depicting the couple as more typical French aristocrats. He cleverly obscured the underpainting in the final portrait, most likely in response to the growing backlash against the aristocracy, according to a recent paper published in the journal Heritage Science. As the authors wrote in an accompanying online article for the Met:

In addition to modifications of existing formats and poses popular in 1780s portraiture, the overall development of the Lavoisiers’ portrait moved away from foregrounding their identity as tax collectors (the source of their fortune that allowed for such a luxurious commission) and toward underscoring their scientific work. It is, of course, the latter identity that is so clearly defined today and has helped perpetuate their fame both in art history and the history of science. But another identity has been quite literally concealed in the present portrait, and its revelation offers an alternate lens for apprehending Lavoisier not for his contributions to science but simply a wealthy tax collector who could afford the whims of fashionable dress and portraiture that sent him to the guillotine in 1794.

Research scientist Silvia A. Centeno acquiring X-ray fluorescence maps of David’s portrait of the Lavoisiers.
Enlarge / Research scientist Silvia A. Centeno acquiring X-ray fluorescence maps of David’s portrait of the Lavoisiers.

Antoine Lavoisier’s marriage to Marie-Anne Paulze—the daughter of Jacques Paulze, a colleague at the Ferme Generale—was actually arranged by the bride’s father. Apparently, a much older count wanted to marry the 13-year-old Marie-Anne, and Paulze couldn’t outright refuse without losing his job. So he persuaded the 28-year-old Lavoisier to propose instead. Marie-Anne proved to be an excellent choice and took an active interest in her husband’s scientific work. She became an excellent laboratory assistant, making sketches of his experiments, translating English scientific texts into French, and helping maintain meticulous records of the procedures used. She was also a charming hostess for the couple’s scientific soirées.

David was one of the most pre-eminent painters of this period, equally renowned in his field as Lavoisier was in science. David tutored Marie-Anne Lavoisier, enabling her to accurately sketch her husband’s various experiments, and was a guest chez Lavoisier on several occasions. So naturally, the couple commissioned him to paint their portrait. The finished product is considered a landmark of neoclassical portraiture. The Lavoisiers appear to be the very model of “a modern scientifically minded couple in fashionable but simple dress, their bodies casually intertwined,” the authors wrote in their accompanying article.

David’s portrait is remarkably well-preserved, which is perhaps why nobody suspected the existence of an underpainting until 2019, when the piece arrived in the laboratory of conservator Dorothy Mahon after a curator noticed some degradation in the surface varnish. Before she could remove the varnish, Mahon had to analyze the painting quite closely under a microscope to make sure any solvent mixture she used would protect the painting and not put her own health at risk.

That’s when she noticed bits of red paint peeking out in the area above Marie-Anne’s head and through the blue ribbons and bows on her dress. Mahon also noted dried cracks around the red tablecloth in the painting’s foreground. Clearly, a closer analysis was warranted.

Elemental distribution maps acquired by MA-XRF on the portrait of Antoine-Laurent and Marie-Anne Pierrette Paulze Lavoisier: lead, (A); mercury (B); iron (C); and calcium (D).
Enlarge / Elemental distribution maps acquired by MA-XRF on the portrait of Antoine-Laurent and Marie-Anne Pierrette Paulze Lavoisier: lead, (A); mercury (B); iron (C); and calcium (D).

S.A. Centeno et al./Heritage Science, 2021

As Silvia Centeno et al. point out in their paper, much of the technology this interdisciplinary team used to examine the painting is fairly recent and would not have been available to them when the Met acquired the painting in 1977 from the Rockefeller Institute for Medical Research. First, the researchers used infrared reflectography (IRR) to peer through the upper layers of paint. A specialized camera enabled the imaging of the entire nine-foot-by-six-foot canvas. The resulting reflectogram showed evidence of a carbon-based black underdrawing and dark, unclear shapes hinting at possible significant compositional changes.

Next, the researchers employed macro X-ray fluorescence imaging (MA-XRF) to map out the distribution of elements in the paint pigments—including the paint used below the surface. That process took some 270 hours and produced a huge amount of data. It was Centeno’s expertise, supplemented with chemical analysis of tiny paint samples, that enabled the team to create detailed elemental maps for further study.

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SEC: Short squeeze wasn’t “the main driver” of GameStop’s stock rise



Enlarge / *Glass-breaking noise*

Aurich Lawson

Back in January, when we attempted to explain the meteoric rise of GameStop’s stock price, we wrote a lot of words about the potential role of a short squeeze on what was happening. The theory was that a large number of short sellers were being forced to cover shares they had previously borrowed by buying shares at rising prices, thus helping to drive the price even further upward.

This week, a 45-page report from the Securities and Exchange Commission takes a detailed look at the situation and concludes that while “short sellers covering their positions likely contributed to increases in GME’s price… a short squeeze did not appear to be the main driver of events.”

The setup

Among the so-called “meme stocks,” GameStop was particularly susceptible to a short squeeze in January. That’s because the level of “short interest” in the stock—the ratio of borrowed shares to total outstanding shares—spiked to an unprecedented 122.97% (reborrowed shares essentially count a second time, which can drive the ratio past 100%).

For context, the SEC points out that “few stocks, if any, have short interest greater than 50% on a given date” and that “until recently, short interest of more than 90% was observed only a few times—in 2007 and 2008.” And while other meme stocks also had high short interest in January—Dillard’s came closest with a 77.3% ratio, followed by Bed Bath and Beyond at 66.02%—the SEC notes that “GME is the only stock that staff observed as having short interest of more than shares outstanding in January 2021.”

Investor interest in shorting GameStop stock had been rising for a while but became truly ridiculous by late January.

Investor interest in shorting GameStop stock had been rising for a while but became truly ridiculous by late January.

That extreme level of one-sided betting against GameStop’s stock price was ripe for disruption, especially once some bullish retail investors started driving the price up (partly in response to Chewy co-founder Ryan Cohen being named to the board of directors on January 11). And looking back at the individual trading data, the SEC found some evidence that short sellers covering their positions helped contribute to the initial stages of GameStop’s January price spike.

The report observes that “buy volume from participants identified as having large short positions” increased heavily starting January 22 and that “during some discrete periods, GME had sharp price increases concurrently with known major short sellers covering their short positions after incurring significant losses,” patterns pointing to a short squeeze. SEC staff also “observed discrete periods of sharp price increases during which accounts held by firms known to the staff to be covering short interest in GME were actively buying large volumes of GME shares, in some cases accounting for very significant portions of the net buying pressure during a period,” the report says.

What else was going on?

But while a short squeeze contributed to GameStop’s initial stock price spike, the report suggests that’s not the whole story. Buyers with short positions were “a small fraction of overall buy volume,” the report says, even during the biggest price spikes, meaning that other buyers were driving the bulk of the demand for the stock. And demand for GameStop stock was incredibly high during that period; as the report notes, “From January 13-29, an average of approximately 100 million GME shares traded per day, an increase of over 1,400% from the 2020 average.” Short sellers covering their positions were part of that, but they were far from the bulk of it.

Short sellers covering their positions were a part of the demand for GameStop stock in January, but they were not the bulk of it.
Enlarge / Short sellers covering their positions were a part of the demand for GameStop stock in January, but they were not the bulk of it.

In addition, the SEC notes that “GME share prices continued to be high after the direct effects of covering short positions would have waned.” If this were nothing but a short squeeze, the price should have fallen back to earth once the short interest fell to more reasonable levels.

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Valve’s “Deck Verified” program evaluates which Steam games are Steam Deck-ready



Enlarge / Games that earn the “Deck Verified” checkmark will appear in the “Great on Deck” tab of the Steam Store.

Valve says it has started the process of reviewing all of the tens of thousands of games in the Steam catalog for compatibility with the upcoming Steam Deck portable. The company is doing the review as part of a new informational program called “Deck Verified.”

Games that provide “a great smooth experience” and “work great on Steam Deck right out of the box” will receive a green “Deck Verified” check mark on the Steam store and library interfaces. They will also appear on the default “Great on Deck” tab when the Store is viewed on the Steam Deck itself. Games will receive that check mark if they meet the following criteria:

  • Input: Games must have “full controller support” and the ability to access all content using the Steam Deck controls, with no adjustments necessary. This includes the use of on-screen “glyphs” that match those of the Steam Deck buttons or those on the Xbox 360/One (many Steam games already do this for compatibility with console versions or console controllers). Any in-game text entry must be done using only the controller or an on-screen keyboard.
  • Display: Games must include native support for 1280 x 800 or 1280 x 720 resolution and include a default configuration that runs at a “playable framerate” on the hardware at that resolution (Valve has previously promised that “really the entire Steam library” can meet this threshold on the Steam Deck hardware). On-screen text should also be legible when the screen is held 12 inches from the face; Valve says this means no letter should be less than 9 px in height, though a 12 px height is recommended.
  • Seamlessness: Games shouldn’t throw up any compatibility warnings when running on Steam Deck, and players must be able to navigate any third-party launchers with the controller.
  • System support: The game must be compatible with the SteamOS natively or with the Proton compatibility layer that allows Windows games to run on the Linux-based system. This includes any middleware and/or anticheat software used in the game.
An example of a game that meets all the Deck Verified criteria.
Enlarge / An example of a game that meets all the Deck Verified criteria.
Older games might need some updates to fully reach Deck Verified status.
Enlarge / Older games might need some updates to fully reach Deck Verified status.
VR games like <a href=
Enlarge / VR games like Half-Life: Alyx will officially show up as “Unsupported” on the Steam Deck.

Games that don’t quite reach the Verified ideal can still earn a yellow “Playable” badge if they run but “require some extra effort to interact with or configure.” That includes game that require manual controller or graphics configuration on first launch, games with “missing or inaccurate controller glyphs,” and games where players need to use the touchscreen for whatever reason.

Other games will simply be listed as “Unsupported” on Steam Deck. Those include all virtual reality games and games that are incompatible with Proton for whatever reason (the latter group will have any compatibility issues logged by Valve to fix going forward). Games that haven’t yet been reviewed for Steam Deck compatibility will simply have their compatibility shown as “Unknown” in the Steam interface.

Let the reviews begin

Deck Compatibility marks will appear alongside the price on the Steam Store.
Enlarge / Deck Compatibility marks will appear alongside the price on the Steam Store.

Steam developers can request a Steam Deck compatibility review for their games manually, but some back catalog games which “Valve identifies… as important to Steam Deck customers” will be added to the review queue “based on automated heuristics.”

The review process should take about a week, according to Valve’s estimates (subject to demand), after which developers will receive “detailed point-by-point results” of the review. After that, developers will have an opportunity to fix any outstanding issues and request a re-review before the results are published. Otherwise, any results will be automatically published after a week. Titles will be re-reviewed “as the developer releases updates or the Deck’s software improves,” Valve says.

While players can hook the Steam Deck up to a monitor and use a mouse and keyboard with the hardware, Valve writes that “we believe most customers will be treating the Deck like a handheld appliance, most of the time.” The Deck Verified program will thus be focused on how games work when the Steam Deck is being used without any external peripherals.

Despite that, Valve’s developer guidelines make clear that “customers browsing the Steam store on Deck aren’t prevented from viewing or purchasing content that may not work well on their device… You’ll always have the option to run whatever you want on Steam Deck. After all, it’s your Deck.”

Browsing your Steam Library will make it clear at a glance which of your games are fully Steam Deck compatible.
Enlarge / Browsing your Steam Library will make it clear at a glance which of your games are fully Steam Deck compatible.

Back in 2013, when Valve first tried to target console gamers with its Steam Machine hardware initiative, we suggested that the company roll out a certification program to set minimum standards for which games would run well on the wide variety of SteamOS-based hardware. The Deck Verified program fulfills some of that promise and should make it easy for Steam users to figure out how much of their library will work with this new Steam hardware at a glance.

Listing image by Blondinrikard Fröberg / Flickr

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