The Roomba’s most sinister-sounding feature—recording maps of your home that iRobot CEO Colin Angle swears he will totally never sell to advertisers—can now be used for more overtly hellish purposes thanks to Doomba, a tool that converts Roomba maps for use in the 1993 shooter Doom.
Some people (hello, hypochondriacs!) feel safer carrying around a first aid kit. Others – like many of you reading this right now – can only feel truly prepared if they’re packing a few resistors, transistors and capacitors. Me, it’s a miniUSB cable.