I'm still waiting on my transflective screen, though.
And on world education.
But hey, these people tried to create a solution. How many people talk and talk, but never do anything?
And even if they didn't succeed as originally intended, all you people typing on your oh-so thin and light ultrabooks, can thank OLPC for helping get the ball rolling.
For example this graph of literacy over the last 25 years (under the heading "Regional Disparities"):