Facebook allows users to turn off the company’s ability to use the data it collects from third-party apps and websites for targeted ads. There is currently no way to stop the company from collecting the information in the first place, or using it for other purposes, such as detecting fake accounts.
Flo Health Inc.’s Flo Period & Ovulation Tracker, which claims 25 million active users, told Facebook when a user was having her period or informed the app of an intention to get pregnant, the tests showed.
In the Journal’s testing, Instant Heart Rate: HR Monitor, the most popular heart-rate app on Apple’s iOS, made by California-based Azumio Inc., sent a user’s heart rate to Facebook immediately after it was recorded.
When you click through to the New York Times, as the page is loading, there is an instantaneous algorithmic auction for the right to show you an ad impression. That auction takes about a tenth of a second. In that tenth of a second, the New York Times passes on all of your cookies to an online auctioneer called a supply-side platform. These auctioneers then send out a query to a whole bunch of bidding companies that exist to help advertisers run online ad campaigns. They'll say, essentially, "At 4:01 pm, from the following IP address in Cambridge, Massachusetts, somebody we think is female, twenty-five to thirty-five years old, is looking at an article about Trump."
So, in a blatant act of fake-news making, he flipped the story. He had the Union uniforms recolored gray, and the Confederate uniforms painted blue. In a scene showing the capture of a Confederate flag, the flag was painted out. He advertised “The Battle of Atlanta” as a Confederate victory.