Vacuum Cleaner Surveillance:
"... administration officials ... questioned whether the fruits of the NSA program ... have been worth the cost to privacy. And many Americans naturally wondered whether Big Brother was watching or listening in ways that are still unknown. There are hints, for instance, that the government has been fishing the Internet as well as the phone lines ... (NSA) tapping into massive volumes of Internet communication ... capability of 'vacuum-cleaner surveillance' of all data crossing the Internet."