At the conference this year, the speakers said not to worry about taking pictures b/c the conference would make the presentations available after then conference. So, I didn't take any slide photos, just notes. Now, I haven't received any follow-up information on where to get access. Where can attendees get the slides?!
Also, I heard that IXD would be offering videos of each of the presentations. So attendees could also see presentations they may have missed due to scheduling conflicts.