David is a paying customer of Yahoo, for web hosting services. It’s also been his e-mail account for the last decade. So why can’t he get an answer out of anyone there as to why they abruptly shut down his account a few weeks ago? He’s been locked out of his digital house on the Internet, and no one can tell him what he did wrong. Yahoo is an impenetrable fortress with no phones, designed to keep customers from talking to anyone with an idea what’s going on.