Keep presentation synchronised in real-time, do a guided presentation with Google Presentation.If you want to do a guided presentation with Google Presentation, and want to synchronise your action like page down, page up to every audience on the web, you may need this extension.
This will be useful if you want to use Googpe Presention and Skype or Hangout together to deliver a presentation, you may want everyone to know which page you are talking.
Just click the "Sync Present" button on Google Presention, and you action on the page will be synchronised with other did the same.