contractor. and you know him well. edward snowden. we get more details now from barbara starr. >> reporter: angry birds, one of the most popular game applications, has been downloaded more than 1 billion times. but the next time you open it up, could the nsa be tracking you? according to the "new york times," the nsa is trying to collect and store user data from apps. the time says the classified program focuses on so-called leaky apps that spew everything from user's smartphone identification codes to where they have been that day. >> if you want to track what people are doing on the internet, you have to move to apps. and i think that's what's -- that's what's driving nsa to track apps. >> reporter: in response to the "times" story, the nsa issued a statement saying, in part, any implication that the nsa's foreign intelligence collection is focused on the smartphone or