joining us now is ryan gallagher .he story we wrote last week, the key thing about it is the extent to which [indiscernible] to basically steal data from the systems. about 10 years ago, they heard between 100 -- 130. within the last decade, that has expanded to an estimated 100,000 and some reports, and building a system to be capable of deploying millions to work in these empires. >> the revelation around the issue of facebook has led facebook founder mark seco berg to call president obama on wednesday in demand an explanation. he later wrote in a blog post -- >> mark zuckerberg was very agitated about the report and seems to have gotten on the horn about it. interestingly, the nsa issued a claim they had not [indiscernible] own of documents a they pretended to be facebook. their denial really doesn't hold up scrutiny when compared with their own documents. there are questions to be asked about that. >> so how do people protect themselves? if you're mean, really in the nsa's's hearers, -- nsa's crosshairs, it is diff