Ads have arrived in Amazon Prime Video. Users are now seeing commercials in movies and shows. Amazon says the ads will be limited. If that’s too much, viewers can pay three dollars per month to go ad- free.

Meta, the parent company of Facebook and Instagram, is going to start sharing social media data with researchers who study online well being. The announcement of the partnership comes ahead of Meta CEO Mark Zuckerberg’s appearance at a congressional hearing about children’s online safety.

Finally, Tik Tok is encouraging its creators to make some changes. It’s asking them start posting horizontal videos, instead of vertical ones and videos that are more than a minute long. As an incentive, Tik Tok will “boost” those videos within three days insuring more views.