Great idea, I need this software right now. But I think it should be combination of Software, video cameras and green screen. Would pay a good money for that.

There is FOSS with this feature set. See: http://en.wikipedia.org/wiki/List_of_video_editing_software#... More specifically see these screen shots of Cinelerra in which it does the described... http://www.heroinewarrior.com/cinelerra_shots.php

IMHO Textbook based education is going to die. The next big thing - Game based education. Check out Quest 2 Learn School in NY

The idea is good, and we all know games are a source of great UI innovation too. But the G-word is likely to be a problem for them. Most people think 'game theory' is what happens on ESPN at half time.

Let's move to New Zealand. Auckland is a beautiful city and NZ has 0% tax rate on capital gain.