title: Communication Of iPhone and Google App Engine
body: <p>How can I get a pdf data (stored in datastore as blob) from iphone if i make a request to google app engine?</p>
  
  <p>When I use 
          self.response.out.write('asadasd');
  in google app engine code
  I can see this 'asadasd' in iPhone. </p>
  
  <p>But i don't know how to set this communication so that i can get a pdf data from i phone.</p>
  
  <p>Thanks in advance!</p>