The European Union has announced a formal investigation into TikTok over allegations that it has breached obligations to protect minors. Specific problems cited by an E.U. official include “addictive design and screen time limits, rabbit hole effect, age verification, default privacy settings.” TikTok’s owner, ByteDance, could be fined up to 6% of its global turnover if found in breach of the Digital Services Act.

Meta announced that businesses purchasing boosts for their posts on the iOS versions of Facebook and Instagram will need to pay a 30% service charge to Apple. Meta represented this as required by Apple guidelines. However, Meta did confirm that boosting posts on browser versions of its social media sites will avoid the fee.

Let’s catch up today on news that went unmentioned while we obsessed about TikTok, Google, Microsoft, and the rest. First, some CX acquisitions: Stockholm-based experience analytics vendor Netigate bought Netherlands-based digital feedback collector Mopinion while Colorado-based survey platform Alchemer bought San Diego-based review and comment collector Chatmeter. We also have “AI-native operating system for advertising” Veylan buying media sales platform Advisr and, far from least, investment firm Thoma Bravo spending $1.4 billion to buy SaaS pricing and sales solution PROS Holdings, Inc.