title: How to uniquely identity a Person resource in Google People API response from a particular user?
body: <p><code>Google People API</code>, unlike <code>Google Plus API</code> doesn't provide an unique <code>id</code> for each <code>Person</code> resource in the response.</p>
  
  <p>Why has this been deprecated/removed and how to uniquely identify a <code>Person</code> in an user's contacts list without an <code>id</code>?</p>