Most of us have a long list of passwords, PINs, and usernames to type into our cell phones, our computers, our ATMs, and a host of other gadgets. We need these to protect ourselves. Identity theft has become a serious problem. We have all seen the commercials on television of the person bragging about a dream vacation, but the voice coming out of the character's mouth is another person's voice. The character in the commercial is portraying an identity thief. In real life, identity theft is not as funny as the commercials. People's lives have been ruined; some have seen their credit rating destroyed or their bank accounts wiped out. Some viruses are simply for meanness' sake. The perpetrator doesn't gain anything from it, just the perverse pleasure of hurting another. We use shredders, viru…