See PhilosophyOfPragmatism. * If some aspect of Wiki is not useful (in the eyes of the overall Wiki community), it will tend not to be reinforced since there will be little enthusiasm for it. * '''Examples:''' Many WikiBadge''''''s. * If some aspect of Wiki proves to be very useful, it will tend to be reinforced, and in many cases will attract more enthusiasts. * '''Examples:''' ExtremeProgramming, MustEverythingOnThisWikiBeExtreme. * If some aspect of Wiki is of questionable worth, the best way to find out its true worth is to try it and see if it catches on.