I gave a talk last night at the San Francisco Bay Area GeoMeetup. This one was timed to coincide with Google I/O.
The talks were the 5 minute Ignite format and, just to be different, I went deep technical. I pulled a couple algorithms out of WhirlyGlobe-Maply and explained them. I like how it turned out.
The video has audio and, hey, it's short.
The slides, sans video, can be found here.