AWS instance types and instance live migration

Interesting comment by Netflix CEO when asked about 'big tech trends' in the next five years:
1. Instance types : No need to select instance types.
2. Live migration of EC2 instances

Interesting that the response was AWS focused.  See video here:
http://www.youtube.com/watch?feature=player_detailpage&v=8FJ5DBLSFe4&t=2441