A really useful feature in case you want to receive a warning notification before you use all of the mobile data available according to your mobile provider contract. It's a great way to avoid additional charges.
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.
In case you didn't know, you can turn you LG G2 Android powered smartphone into a Wi-Fi hotspot and use it to surf the web with any other wireless device like notebook, tablet or a smartphone.
Google now is sort of an intelligent personal assistant that depending on the data that Google gathers knows you pretty well. One of the coolest functions of Google now is the voice recognition functionality.