In the wake of revelations that Russian disinformation specialists used Facebook to influence voters during the last presidential election, The Intercept’s Sam Biddle thinks it’s time for Mark Zuckerberg to testify before Congress. "Facebook, even more than Apple, which has taken corporate secrecy to quasi-military lengths, operates as a black box,” he writes. Yet, “Zuckerberg should publicly testify under oath before Congress on his company’s capabilities to influence the political process."

On Facebook, tagging false news stories as “disputed by third party fact-checkers” has a minimal effect on reader perceptions, Politico reports, citing a study by Yale University researchers. “Overall, the existence of ‘disputed’ tags made participants just 3.7 percentage points more likely to correctly judge headlines as false.”

Facebook is testing Instant Videos, which lets WiFi-connected users download and cache videos for later viewing. By way of explanation, TechCrunch writes: “Facebook doesn’t want you to burn through your mobile data plan just to keep watching its videos.” Of course, “The Instant Video feature is reminiscent of Instant Articles.”

Web designer and blogger Brad Frost has had it with Facebook’s aggressive use of mobile notifications. “Lately I’ve noticed the platform feeling increasingly grabby, to the point where they’ve broken the fourth wall with me and now the whole experience is no longer enjoyable,” he writes. “They’ve gotten so brazen in their tactics to keep users engaged (ENGAGED!) I think it’s no longer possible to be a casual Facebook user.”

Having already racked up roughly $200 million in upfront ad buys, Vevo is predicting a 30% increase in overall ad revenue, this year. That’s according to Business Insider, which attributes the strong growth to a resurgence in music videos, and a more traditional approach to ad selling on Vevo’s part.

Microsoft is expanding to availability of Teams, its workplace messaging app. “Microsoft will now allow customers to share Teams channels with guest users from other companies,” Forbes reports. “Microsoft also reported an update on user traction for the service, saying that 125,000 organizations are now using Teams in 25 languages.”

At its big press event on Tuesday, Apple is expected to unveil an OLED iPhone and an LCD iPhone, a new Apple Watch with LTE, and an Apple TV with support for 4K and HDR. That’s what Apple Insider is hearing, anyway. “Final details on iOS 11, macOS High Sierra, watchOS 4 and tvOS 11 should also be announced,” it writes.

In the wake of revelations that Facebook ran political ads backed by Russian trolls, lawmakers are wondering whether social networks need to more closely regulated. “Sen. Mark Warner of Virginia, the top Democrat on the Senate intelligence committee, said today that there may be a need to introduce new requirements for social media platforms running political ads,” BuzzFeed reports.

TraceMe -- an app for “super fans” backed by Seattle Seahawks quarterback Russell Wilson -- just raised $9 million. Regarding the new app, GeekWire writes: “The idea is to bridge the gap between celebrities and their most passionate followers with a mobile platform.” Of course, TraceMe “will need to differentiate itself from the bevy of other social media services.”

IBM and MIT are embarking on a 10-year research partnership valued at around a quarter of a billion dollars, Engadget reports. “That investment will see more than 100 researchers from both organizations collaborating to advance four key focus areas within the AI field,” it writes. “Those focal areas include deep-learning algorithms.”