Intrinsic motivation vs. Extrinsic stimulus
Great talk by Dan Pink at TED about pitfalls of extrinsic stimulus and scientific evidence for intrinsic motivation:
I kind of always felt that way, but now I’ve got evidence to refer to. Plutarch was right that
The mind is not a vessel to be filled but a fire to be kindled.
You can not stimulate creativity, you can only create environment for it to blossom.

Thanks for resume in your post
The speaker is so emotional that it was hard for me to listen more then a half of the presentation.. However the results of experiments are very interesting. I have never thought that rewards work in opposite way with creative tasks, yet felt smth like that.
There is not that much of a resume
Keep up the creative work!
I hope that now that we know results of this research, we can do something to avoid being the next hero of Dilbert comics.
That was a lengthy video but very useful. I have come across many things I dont know and learnt it now (eg. candle problem).