What is sea level, is it better to walk or run in the rain, why is it dark at night, what is dark matter and many more questions explained in short videos in a real fun and intuitive way.
If you are on a certain data plan on your mobile provider, and don't want to exceed it, you can set data usage warning and a limit which can help you save some of your money.
If you want you can turn any Microsoft PowerPoint presentation into a video so you can play the presentation on a computer that doesn't have Microsoft Office installed.
With Galaxy SIII still selling like hot cakes, we probably won't see its successor quite so soon yet. But you can still check out this amazing concept video of how the new Galaxy S4 running Android 5 could look like.
