CloudShield did not see itself as a cloak-and-dagger company. It made its name for high-end hardware that could peer deeply into Internet traffic and pull out and analyze 'packets' of data as they flew by.

In computer circles, any unencrypted data is known as 'cleartext.'

Drug manufacturers could afford to sell AIDS drugs in Africa at virtually any discount. The companies said they did not do so because Africa lacked the requisite infrastructure.

I've always shied away from online data storage. I don't even use my employers' network drives for anything sensitive. I want to control access myself.

Clinton saw himself much more as the steward of alliances and of consensus that moved in the right direction. He didn't see himself as someone who could change the overall thrust, I think, of global policy.

The causes and severity of NSA infractions vary widely. One in 10 incidents is attributed to a typographical error in which an analyst enters an incorrect query and retrieves data about U.S phone calls or emails.