Since the Internet was created, there have been problems with online identification. We all know about fraud and identity theft. The New Yorker's most often-copied cartoon shows a canine at a computer saying, “On the Internet, nobody knows you're a dog.” Now that may be changing — in tiny Estonia. The country that gave the world Skype is now issuing digital ID cards to anybody who wants one. Edward Lucas, senior editor at the Economist, took them up on it. He's now the first “E-resident” of Estonia.