I'm not sure than anyone can effectively function and absorb for 17 hours (minus 20 minutes of free time).
Today was the first day.
Long breakfast lines and running out of food and late buses and the realization that managing this many people is still too much for staff to patiently handle.
We're numbers, not people, and questions are answered only in the context of very carefully timed sessions that would be effective if people could focus on the content but we're still learning how to be attentive and inspired while getting used to the changes that never seem to end.
This will get better, but in order to see the progress we made we must remember our beginning.