Mar 6, 6:58 PM ESTEBay Plans to Shut Down Half.com Unit SAN JOSE, Calif. (AP) -- EBay Inc. said Thursday it would shut down Half.com, its fixed-price subsidiary for used books, CDs, videos and other common household items, in late 2004.Half.com founder Josh Kopelman also said he would leave the company's office in Plymouth Meeting, Pa., effective April 15.The San Jose, Calif.-based online auction company purchased Half.com in a June 2000 stock swap. The acquisition of Half.com, which at the time listed about 1 million items and had about 250,000 registered users, significantly increased eBay's operating expenses for several quarters.Founded...