todo.txt

 * Bookmark talks / events?
 * Tweet about this talk
 * Tweet about this event
 * Location-awareness (which event I'm at, directions etc)
 * Talk timings (API problem)
 * Registration via the API
 * More speaker-oriented info perhaps?  Not really app-specific, but may be of interest
 * Push messages?
 
 * "Add to calendar" button - No APIs in iPhone to access calendar :(
 * Settings screen jumps when kbd disappears

 * Less copy'n'paste code, more inheritance / utilities