Heard of Microsoft Surface? Sure you have. It's the tech that takes capacitive touch and smears it across a table-like design. While those devices, manufactured by the likes of Samsung, have begun their slow creep into the market, rival companies are hard at work on their own multi-user, widescreen touch solutions. Which is precisely what 3M Touch Systems is showing off today at CES Unveiled. At 46-inches, its prototype Projected Capacitive Technology ups the ante on user input, allowing a theoretical maximum of 60 touch points and up to four split screens. We had a chance to take the table for a test ru
