title: How does a user register with Oauth?
body: <p>I have been doing research on this Oauth concept and I am still very confused about this concept. One of my main questions is how does one register with a google account or a twitter account.</p>
  
  <p>For example, lets say in order to register to my website, you must provide a Username/Password/Email/GroupName. If you register through my website, than you can provide those fields very easily. However let's say the user wants to register through google. How would those fields populate?</p>
  
  <p>From my understanding once you register with your google credentials, you are redirected to a page on my website where you fill in the required fields. I am not sure if this is correct. Can anyone help me understand this more?</p>