I think this is a bit fascinating but mostly boring. I'm not into science, so I think people who are will find this more preferable. I don't know who is right and who is wrong about their research, which is what I want to know about. Overall, I'd say that this is satisfactory.
1.) In the week starting December 4th tens of millions of people from over 180 countries will participate in the Hour of Code Challenge.
2.) The Hour of Code's purpose is to introduce the world of computer science to everyone.
3.) What would motivate me to learn computer programming or coding is the fun games I get to play.