title: Is it possible to send update via twitter api to a specific user, even if user are offline, with no time limit?
body: <p>If we have an application which need to:
  -> ask user to authenticate using twitter (oAuth) in order to get the access token
  -> store the token and send message to the user even if he is disconnected from twitter</p>
  
  <p>My question is:
  Is it possible to send update via twitter api to a specific user, even if user are offline, with no time limit?</p>
  
  <p>Thanks for your help.</p>