Despite the high-tech tools we use to conduct business, in-person networking still feels instinctive, albeit old school. You won't find startup founders swapping contact info by bumping smartphones. Instead, they solidify their exchanges with business cards - a lo-fi tradition that hasn't changed much since its origins in European aristocracy. TouchBase Technologies, an MIT startup that made a splash at last year's DreamIt Venturesaccelerator, has proposed a new option that falls somewhere