Privacy concerns have also been brought up regarding the app.[165][166] In its privacy policy, TikTok lists that it collects usage information, IP addresses, a user's mobile carrier, unique device identifiers, keystroke patterns, and location data, among other data.[167][168] Web developers Talal Haj Bakry and Tommy Mysk said that allowing videos and other content being shared by the app's users through HTTP puts the users' data privacy at risk.[169]