Gadget Rewind 2004 iRobot Roomba Discoveryfound by James B Little robot helpers found a place in our hearts and homes in 2002 when iRobot introduced the Roomba. This house-cleaning ‘bot definitely made for an odd addition to the company’s existing lineup of space exploration, minesweeping and tactical support devices. But beyond the novelty factor, the first Roomba model wasn’t an immediate success for the company. After heading back to the drawing board, iRobot released a vastly improved model in 2004 called the Roomba Discovery. It h...