Nearly all 2020 presidential candidates aren’t using a basic email security 7 years ago
The obvious targets are Instagram and WhatsApp, followed by splitting out the ad network, and any other functionality where Facebook unfairly competes with their customers and locks out competition.
WhatsApp & Instagram should be split out not only due to anti-competition, but for the protection of the general public. WhatsApp's founder(s?) walked away from almost $1bn because they couldn't look themselves in the mirror and keep working for Zucky after his blatant lies about not violating peoples' privacy with WhatsApp. That alone warrants investigation, since Money is the only thing Americans care about.