An interesting study from the Journal of Consumer Research has been released, which says that online gamblers play for longer and tend to perceive a greater sense of control than people who gamble in a casino.

Their study found that, unlike casino gamblers, who seek thrills and social experiences, online gamblers seek the anonymity their home computers provide. "For casino gamblers, gambling provides a perceived social connection with unknown others in a sense of shared fates and temporary community. Online gamblers, on the contrary, perceive a lack of social connections in the online realm."
Full story here ... http://www.sciencedaily.com/releases...1014111158.htm

Buzzy thinks that online gamblers may play for longer stretches because you get more bang for your buck, as well. I have yet to see a $.25 blackjack table in Las Vegas.