Haunting friends and family from beyond the grave just got easier. LastWishes.com, a Dallas-based Web site, has found there's a lively market for people who want messages distributed upon their death. Since it was launched last October, the site has drawn more than 10,000 customers who've paid initial fees of at least $39.99 and agreed to annual fees till doomsday, all to get in the last word by text, photos and videos for their loved (and maybe not-so-loved) ones. "It's an amazingly simple idea," said Simon Schurmer, the company's co-founder. Customers can leave details on life insurance policies, passwords for...