One note. There were at least 10 startups that failed to produce LCD projector displays, which are now ubiquitous and cheap. There were at least 20 startups t

One note. There were at least 10 startups that failed to produce LCD projector displays, which are now ubiquitous and cheap. There were at least 20 startups that failed at non-piercing blood glucose measurement, which is now accessible and not outrageously expensive. So something will come of this. But Magic Leap is going down.