Our working definition of a digital platform (with a hat tip to Harold Feld of Public Knowledge) is an online service that operates as a two-sided or multi-sided market with at least one side that is “open” to the mass market
Platforms
Slow fade for Google and Meta's ad dominance
Google and Meta, known together in the ad industry as the "duopoly," are expected to bring in less than half of all US digital advertising this year for the first time since 2014.
Tech legislation's 2022 scorecard
A bevy of proposals to limit Big Tech firms' power gave up their last gasp as Congress released the text of its year-end spending bill. But the following major tech-related b

European Commission accepts commitments by Amazon barring it from using marketplace seller data, and ensuring equal access
The European Commission has made commitments offered by Amazon legally binding under European Union antitrust rules. Amazon's commitments address the Commission's competition concerns over Amazon's use of non-public marketplace seller data and over a possible bias in granting sellers access to its Buy Box and its Prime program. Amazon's practices raised three competition concerns:
Twitter abruptly bans all links to Instagram, Mastodon, and other competitors
Twitter will no longer allow users to promote their presence on certain social platforms, including Facebook, Instagram, Mastodon, Truth Social, Tribel, Nostr, and Post. Twitter says it will take action against users that violate this policy “at both the Tweet level and the account level.” This means users can no longer include links to their profiles on other social networks in their Twitter bio, nor can they send out tweets directing users to check out their Instagram or Facebook accounts.
Twitter Reinstates Suspended Accounts of Several Journalists
Elon Musk said that Twitter was reinstating the accounts of several journalists whose accounts were suspended after he had accused them of violating the social media platform’s rules on personal privacy. Musk said he was restoring most of the accounts, which had been deactivated on Dec 15, after a majority of respondents in his informal Twitter survey voted that the suspensions should be lifted immediately.
Twitter Under Free Speech Warrior Elon Musk Suspends Accounts of Several Journalists
Twitter suspended the accounts of several journalists without publicly specifying why, the latest instance of the platform making content or user decisions under Elon Musk without much transparency. The accounts belonged to journalists from publications including CNN, the Washington Post, the New York Times, and Mashable.
Republican Social Media Resolution Goes Down in House Commerce Committee
The House Commerce Committee voted 28-23 along party lines not to recommend a Republican-backed resolution of inquiry to the full House.
Top FTC official warns companies on data
Samuel Levine, director of the Federal Trade Commission's bureau of consumer protection, said the agency won't hesitate to sue companies that play fast and loose with customers' data.
Big Tech gets preview of questions US House Republicans want answered
Representative Jim Jordan (R-OH), who will chair the House Judiciary Committee next Congress, gave a hint of what is to come with letters sent to five big tech companies requesting information about conservative material removed from their platforms. In letters sent to large online platforms, Rep Jordan requested the top executives at Google, Microsoft, Apple, Amazon, and Facebook provide any information they have about contact with President Joe Biden's administration regarding "the moderation, deletion, suppression, restricting, or reduced circulation of content." Rep Jordan and other Rep
Rep. Clyde (R-GA) Introduces Legislation to Eliminate Government-by-Proxy Censorship
Rep Andrew Clyde (R-GA) led 10 of his colleagues in introducing the Free Speech Defense Act to eliminate government-by-proxy censorship. The legislation: