title: QR Code possible data types or standards
body: <p>I am developing an iOS Application for scanning QR Codes. I am successfully able to scan and get code from QR code.</p>
  
  <p><strong>Question:</strong></p>
  
  <p>My question is what are possible data types and format I can expect from QR Codes?</p>
  
  <p>During my search on google I found QR Code can be used for</p>
  
  <ol>
  <li>Contact data</li>
  <li>Calendar data</li>
  <li>URL</li>
  <li>Email address</li>
  <li>Phone number</li>
  <li>SMS</li>
  <li>Plain text</li>
  <li>Geo location</li>
  </ol>
  
  <p>Is this the complete list and is there same standard to represent above data in QR Codes? Means same way of generating QR Code for above QR types.</p>
  
  <p>Is there any standard way of generating and representing data in QR Code?</p>