Instagram, the photo-sharing social network owned by Facebook, had a bit of a screw up with its terms of service when it went to update them in December. The changes included clauses that seemingly give Instagram permission to use users' photos, likeness, and username in paid advertising without any sort of compensation, or even permission.
After an outcry by users, Instagram backpedaled the proposed changes, saying that they were unclear and misunderstood by the public. According to data by AppStats, the number of daily users has decreased by roughly 50 percent since the terms of service fiasco. Prior to the change, 16.35 million people were using it daily. On the day of the change, only 5.2 million used the app.