Last July 6-7, 2012, GDG Philippines organized a meetup/hackaton for the Google Apps Developer Challenge 2012 at the CodeFlux Inc. office. The event intends to give introductory talks about Google Apps and Google Drive APIs especially to those who are planning to join the competition.
During the meet up, I gave a basic talk about Google Drive API. Here is the slides I used:
My slides also got featured on SlideShare's homepage last July 13, 2012.