Facebook and Google antitrust investigations: all you need to know

State attorneys general are opening the latest inquiries into the companies' practices as government scrutiny grows

Attorneys general in a number of US states are opening antitrust investigations into Facebook, New York's attorney general, Letitia James, announced on Friday. A separate inquiry into Google is expected to be announced Monday.

The new investigations mark yet another blow to the major tech players, which have faced increasing scrutiny from the government - most prominently an antitrust investigation by the Department of Justice.