Click Next Step. This will take you to your Google+ profile creation page. All Google accounts create a Google+ account when they are created. Google+ is Google's Social Network, and many of Google's services are linked to it. See this guide for more information on how to get the most out of Google+.
You can choose whether or not you would like to add a picture to your account. This picture will be displayed when other Gmail users receive email from you, and will be associated with all of your Google activity.
Choose whether or not you want your +1 information shared. This option will tailor the Google +1 icons you see across the web. If you keep the box checked, you will be able to see the sites that your friends +1. The +1 button functions similarly to the Facebook Like button, and shows your connections things you are interested in.