Most of us go every day to different app stores and download free apps just to test them out or to use them for daily activities. Free apps like Facebook, Twitter, and Google have millions of users worldwide that are building their online identities around it. Of course, these worldwide free apps don’t ask for money but they definitely ask for your infoand they extract user data all the time and use it for targeted advertising. It didn’t take long for another worldwide popular free app to join this list. Spotify, a widely known and used music streaming service announced that they sell user data to third parties that will be eventually used for targeted advertising, but they named it in a more considerable way - "programmatic buying". What does this mean? Read more here.