For me personally, WCF made complicated things trivial. My startup was able to get into Fortune 100 enterprises with all their insane compliance requirements, l

For me personally, WCF made complicated things trivial. My startup was able to get into Fortune 100 enterprises with all their insane compliance requirements, letting their IT departments configure things the way they see fit. Once you get the hang of it, WCF is one of the best frameworks EVER written.