Whether you agree there are 16 desires or not, he said there is not any way to reduce all of these desires to just two types. Or just one. Now bear with me, but sometimes I wonder if Freud was right. There's only one real desire: to get laid. Why are you writing this software? Because people need it. Why can't they just use something else? Because mine's better. Why is yours better? Because it handles these 27 things…
Two words: Poop sock. MMORPGs have everything to do with being in the zone, nothing to do with sexuality; these two motivations are both exceptionally powerful. I remember an experiment with rats, where an electrode was hooked up directly to the center in the brain that generates the "in the zone" feeling; the rats pushed the lever to fire that electrode continually, until they died of starvation. MMORPGs, computer g…
2. The rewards you are referring to (email, HN, MMORPG) have to do with dopaminergic pathways, dopamine release, and the nucleus accumbens.