today. edward snowden told people privacy matters and encouraged them to remind their leaders that, quote, asking is always cheaper than spying. foreign affairs reporter alisa labott has more for us. >> reporter: you saw snowden evolve from someone behind the scenes to a provocator. let's take a closer look to what he said in his christmas message. >> together we can find a better balance, end mass surveillance and remind the government, if it want today's know how we feel, asking is always cheaper than spying. >> reporter: remember the famous book about big brother watching, chris? he says that's nothing compared to what's going on today, what