Pretty simple and useful tutorial, where you will open a random photograph with smoke and convert it into something really not friendly for our environment.
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.
It is good from time to time to clear your browsing data, that has accumulated during browsing the web. In this lesson I will show you how to clear browsing data in Google Chrome.