Would you say, you know a lot about space and our solar system? Well I suggest you put your money where your clicking finger is and go through the quick questioner.
Dropbox is an amazing cloud based web service enabling you to store your stuff like pictures and documents and access them from any device with an Internet connection. Plus you can share the stored items with others.
Windows 7 have a nifty feature which combines the windows of opened applications under the same taskbar button. If you don't like it you can always turn it off.
There are about 7 billion people living on our planet. If we would all stand next to one another on our own square meter, how large would that area have to be? Is North America big enough?