title: What is beta/alpha testing on the developer console? How it is helpful for developer?
body: <p>There are three tabs in developer console 
  1)Production
  2) Beta Testing 
  3) Alpha Testing</p>
  
  <p>How Alpha and Beta is useful developer before publishing app in production?</p>
  
  <p>How we can identify that how many users have latest updates?</p>