InfoComm 2017: 3M Touch Systems Showcases Multi-Touch System With TSI Touch June 19, 2017 | Home / June 19, 2017 rave-video / InfoComm 2017: 3M Touch Systems Showcases Multi-Touch System With TSI Touch Look in: Infocomm 17 InfoComm 2017: 3M Touch Systems Showcases Multi-Touch System With TSI Touch