All of those lost against better tech, because they were but gimmicks. Cheap and efficient flight is better than supersonic, exclusive flight. High resolution,

All of those lost against better tech, because they were but gimmicks. Cheap and efficient flight is better than supersonic, exclusive flight. High resolution, high contrast, high colorspace TV is better than 3D TV (IMHO VR is also better than 3D TV). And advanced text messaging is more convenient than video calls.