anchor.diff:                </td>
                 <td>
                   <strong>string</strong> <span class="tag tag-default">Optional</span>
  -                <p>User timezone</p>
  +                <p>User timezone as defined by in the <a href="http://www.iana.org/time-zones">IANA Time Zone Database</a>, which is also available in searchable format in Wikipedia's <a href="http://en.wikipedia.org/wiki/List_of_tz_database_time_zones">List of tz database time zones</a>.</p>
  +                <p>Example: <code>America/Los_Angeles</code>, <code>America/New_York</code>, <code>Europe/Stockholm</code>.</p>
                 </td>
               </tr>
             </tbody>
  
positive.code:     "gender": "male",
      "locale": "us",
      "profile_picture": "http://spacex.com/elon.jpg",
      "timezone": "Pacific Time (US & Canada)"
    }
  }' 'https://api.dialoganalytics.com/v1/b/a925a32e/interlocutors?token=test'</pre>
  
  
negative.code:   "gender": "male",
    "locale": "us",
    "profile_picture": "http://spacex.com/elon.jpg",
    "timezone": "America/Los_Angeles"
    "created_at": 1472585700.314108
  }</pre>
  
  