ミテルだけ(Miterudake) was news to me. First heard about it browsing Koichi’s walkthrough of lang-8.com
Looks like you can purchase a DVD with a live portrait looking at you from your screen. Nothing else.
This very simple concept is almost scary, but apparently designed to help people cope with their introvert or shy nature and maybe develop a more natural relation to other people.
Have a look at this example:
Obviously there are many more personas available – I just like this one a lot for some reason ;-)
If this is a big seller already, my last reservations estimating the market for personalized robots as almost infinite are gone.