If you were able to make it work in real-time you could do some really cool stuff with characters in multi-user VR spaces. Your avatar could be shown to move it

If you were able to make it work in real-time you could do some really cool stuff with characters in multi-user VR spaces. Your avatar could be shown to move its mouth in a realistic way as you spoke to other users, which would go a long way towards building a feeling of "realness".