Almost without fail, BitTorrent downloads have had to spread through a dedicated client, whether it's on the desktop or a router. Thankfully, BitTorrent Torque has just come in alpha form to liberate the peer download service from its software chains. All that's needed now is a web browser that can parse a JavaScript app. Going the new route gives some freedom to enable sharing that hasn't always been practical: among the tricks in the company's Torque Labs are drag-and-drop sharing, conversion of torrents into traditional do