You may have heard that New York City has a brand new bike share program. Some New Yorkers have of course worried about crowding the streets...and putting tourists, of all people, behind the controls of a complex machine. But similar programs in cities like Montreal, Boston, and Washington D.C. have been hailed as successes. So we set out to check the tech of these bikes with the help of Ted Mann, who reports on transportation for the Wall Street Journal. He had a fancy key -- which riders need unless they're swiping their credit card.