» Technical illumination
Some open their eyes and mouth wide, other put their hands on their head and look at the ceiling saying "oh my!", and I even saw some kind of "technical orgasm" where people were laughing nervously.
Showing Flowscript samples, a participant said "that's not possible, your are joking, this cannot be that simple". Yes, it is that simple! And I also got some "oooh!" and "aaah!" when showing some cool Cocoon Forms features :-)
And the more people have a webapp development experience, the bigger the illumination for them, as they see all the complexity they had to fight with for such a long time suddenly vanishing...
Giving a training is tiring as you have to make the show all day long, even during hands-on, but seeing people happy because of what you teach them is so rewarding!