Apostrophes and when to use them over on Slate says that they arent needed anymore.
One hundred and eighteen miles north of London, in the town of Boston, England, there lives a retired newspaperman named John Richards who is experiencing an unusually rotten spring. Richards is the founder and chairman of something called the Apostrophe Protection Society. His world, at least as related to the tiny mark that denotes possessives and the omission of letters from certain words, appears to be crashing down around him.
Via Staticred.