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.
As from November 11th Google will launch a so called Shared Endorsements for products or services which will allow them to use your picture when displaying ads to your friends.
In this lesson I will show you how to create a web link on specific part of the picture and how to define a link that opens when a user clicks the hotspot area.