Half.com was a subsidiary of eBay. eBay shut down the service on September 1 2017. It was a web site where sellers offered items for sale at fixed prices. The items available on half.com were limited to books and textbooks and music and movies and video games and consoles.Half.com was a subsidiary of eBay. eBay shut down the service on September 1 2017. It was a web site where sellers offered items for sale at fixed prices. The items available on half.com were limited to books and textbooks and music and movies and video games and consoles.