Nexus 4 smartphone comes with a bunch of Android widgets you can add to one of the screens. Let me show you how to add a widget to a screen and how to customize it.
If you are using removable disk or USB key then you should look at this lesson. I will show you how you can safely remove your device from computer without the fear of losing data.
Awesome video of a father and son who send a weather balloon with son's favorite toy to the very edge of space. And if you are the first to answer the question correctly you will get a reward.