As you probably noticed on a lot of websites these days, there is an engraved looking effect added to text, let me show you how to add that effect using CSS.
This is a very welcome feature that saved my day at various occasions, you can turn your iPhone into a wireless hotspot and share its mobile data connection.
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.