https://techcrunch.com/2021/04/06/facebooks-kustomer-buy-could-face-eu-probe-after-merger-referral/

The European Union may investigate Facebook’s $1BN acquisition of customer service platform Kustomer after concerns were referred to it under EU merger rules.

A spokeswoman for the Commission confirmed it received a request to refer the proposed acquisition from Austria under Article 22 of the EU’s Merger Regulation — a mechanism which allows Member States to flag a proposed transaction that’s not notifiable under national filing thresholds (e.g. because the turnover of one of the companies is too low for a formal notification).