"I think I'm sort of insecure. What if you tweet and nobody tweets back? There's nothing worse than a friendless tweeter: you're just wandering around in cyberspace."

- Former President Clinton

on why he doesn't use Twitter.

Comedy Central's Stephen Colbert, interviewing Clinton last weekend at the Clinton Global Initiative University for a segment aired on his show Monday, "took the liberty" of signing Clinton up as @PrezBillyJeff and urged him to "break into the 21st century right now, and send your first tweet."

Clinton dictated his first and currently only tweet to Colbert: "Just spent amazing time with Colbert! Is he sane? He is cool!"