NSA uses apps to spy us

That the NSA had designed sophisticated programs to access text messages and chat to the agendas of contacts or the location of the holders of smartphones is not new, but new revelations Snowden demonstrate how the use of what are called "leaky applications" has become one of the most important tools and effective NSA spying. With these systems, the agencies in the U.S. and Britain have been able to steal information on lus geographic data, friends lists or phone records users whenever they were sent in messages through mobile versions of Facebook, Flickr, LinkedIn or Twitter.