3 ms·

Such as?

• jaimex2 8y ago
  Phone records, Messages, where you had dinner, where you spent the night, what things you Googled relating to your partner and photos.
• AriaMinaei 8y ago
  This is for Facebook, but applies equally to Google as well: http://scitech.blogs.cnn.com/2010/05/21/does-facebook-know-who-youll-date-next/ http://scitech.blogs.cnn.com/2010/05/21/does-facebook-know-w...
• silverdrake11 8y ago
  Snapchat explicitly does this with the BFF feature