When social media platforms like Facebook, Twitter, and YouTube, which is owned by Google, cook up a complex algorithm to curate your feed, they’re making the choices they think will push you to spend more time on their platform, experts say, boosting their ad revenue. You don’t get to choose how the platforms select the posts or videos to deliver to you first, and in what order.
The evaluation by Ranking Digital Rights found that powerful American technology companies are cagey with even the most basic details about their algorithmic systems.
Social media companies use a combination of human eyes and algorithmic systems to decide which posts to take down for violating their rules. For many users, those decisions are hard to decipher—like when users who discuss racism find that their accounts are flagged for hate speech.