Your profile is where your friends find you. Add a profile picture, share a few details about yourself, and pick a cover photo that tells the world what you're interested in.
Circles make it easy to share the right things with the right people, just like in real life. With circles, you can share some things with close friends, others with your family, and almost nothing with your boss.
Google+ is about having great conversations. Share photos, videos, links, or anything else that’s on your mind. You can use the share box on any Google site or +1 buttons across the web.