This particularly stood out to me - "With Apple's new rules, social networking apps like Facebook, Instagram, and Twitter that allow companies to buy "boosts" f

This particularly stood out to me - "With Apple's new rules, social networking apps like Facebook, Instagram, and Twitter that allow companies to buy "boosts" for social media posts must use in-app purchases for these transactions. This means when an advertiser wants to boost a post on a social network like Facebook using an iOS device, Facebook will be required to give Apple a 30 percent cut of the proceeds."