Some installations or settings changes require you to restart your computer. In most cases you don't need to actually reboot it, you only need to restart the explorer.exe process.
If you are tired and annoyed by the app requests and notifications your friends keep sending on Facebook, this is how you get rid of them without having to unfriend your friends.
Central Russia got hit by meteor shower. It happened as the meteor exploded over the Ural, its pieces burnt in the lower part of the atmosphere but some were still able to hit the small town of Chelyabinsk.
You can upload and import any MS Word document file to Google docs/drive as you can download and export a Google docs document to you computer and open it with MS Word.