I think so. But video phone has been very hard to achieve. It's either been to be expensive, or too crowded, or can we use the internet to finally introduce video phone and this is different from video on-demand.

我也这么认为，但视频电话要成功很困难,它要么很贵，要么很拥堵，或者我们是否可以使用互联网引入视频电话,这与随需视频是不同的。

麻省理工公开课 - 媒体、教育、市场课程节选