The Digital Services Act (DSA) is a new EU legislative act aimed at creating a safe and trusted online environment that guarantees users' access to legal and safe content, goods and services online, and safeguards their fundamental rights.

On October 4, 2021, all services provided by Meta Platforms, Inc. (then Facebook, Inc.) became unavailable unexpectedly for all its worldwide users for a period of about six hours. We use detailed high‐frequency tracking data from smartphones, tablets and desktop computers of thousands of Meta...