The public decides where the online betting action is. Many online casinos has a content team, and they spend significant time dialoging with the public to determine what type of content they are interested in.
The last year or so has seen a huge rise in pop culture betting interest. So a first of its kind site was developed focusing upon off the field Hollywood, TV, and music themed bets.
Some of the recent posts discussed the prospects of marriage for Hugh Hefner, Survivor, and what Terrell Owens will do next (yes, TO is off the field these days). If such action interests you, check out the odds from Bodog and BetOnSports both known for offering a wide selection of pop culture bets.