http://vimeo.com/96791518
after listening to the above, you can listen to the short story below about how a 7 year old in the UK is using the above and causing quite a stir in her school. because of this the headmistress in her school has now resigned. interesting stuff here and interesting times. the system is on its way out.
http://www.youtube.com/watch?v=Dhqmqdc84R8&feature=youtu.be