As a result, domestic call records - those of calls that originate and terminate within U.S. borders - were believed to be private.

Sources, however, say that is not the case. With access to records of billions of domestic calls, the NSA has gained a secret window into the communications habits of millions of Americans. Customers' names, street addresses and other personal information are not being handed over as part of NSA's domestic program, the sources said. But the phone numbers the NSA collects can easily be cross-checked with other databases to obtain that information.

So they're actually spying on EVERYONE. I don't have words to descibe this, and the nicest name that comes to mind is Joe Stalin. Enough.