So you can verify if Facebook stole your data.

Facebook has begun the reporting process of 87 million users whose data has been used by Cambridge Analytica, reports Guardian, writes Periscopi.

The social network hopes to inform any users that have been infected with a report on the top of their news feed '%s'. For now, those who use Facebook can find out if the data was used looking for <x0How can I tell if my info was divided with Cambridge Analytica?

Most users will see a message saying “as you and your friends haven't even gotten into “Things Is Your Digital Life” [This is your digital life], a personality quiz that Cambridge Analytica used to collect data.

Those other 87 million, they'll get the message that says to you “a friend of yours is keying”. This means that their public profile, the satisfactions of the pages, birthdays and the actual city would be shared with the company, just like the content of the news federation at the time. /Guardian/ Periscope