> In pure gambling, everyone gets the same expectation of gains. I think this is an overly narrow definition of gambling that excludes too much. Playing poker

> In pure gambling, everyone gets the same expectation of gains. I think this is an overly narrow definition of gambling that excludes too much. Playing poker for money, betting on horses or dogs, and the like are all affected by skill and knowledge but are still gambling. If the gambling produces truly randomized winners, then what you have is a specific kind of gambling: a lottery.