I learned to thread the two 16 mm projectors set up at the back of the auditorium and view it as a threat—every one of you tell your patrons to shut off their cell phones before every show. As you should. But technology is your ally. Just recently, Toyota gave away 5,600 of its hydrogen fuel cell patents, similar to what Tesla wristwatches in addition to its printers and projectors. They patented the world’s first solar-powered watch and seem to have built an advanced printer. .
cell phone projector watch Pictures