"How much innovation can the end-user handle?" - Shawn Layden explains why he said Sony should have made PlayStation Portable 2 rather than PS Vita
… How much change is enough to say 'that's enough change for me to want to get one', and how much more change that you add onto it, which has a cost associated with it - R&D costs or parts cost - how much of that becomes a diminishing return?" The PS Vita was a flop for Sony. …