Meta said they won't be releasing their glasses because they are too expensive for even the highest end of the consumer market. That likely means another 5yrs minimum to get production costs down. It's no longer just about the technical capabilities. Similar to Waymo needing to figure out how to affordably scale up production of $75k LIDAR sensors to put on a million cars, which cost less than the sensors themselves, plus the whole service industry to maintain them when they break.