"If you want another company to use your services, then you need to make it easy." Or, make a service that's so good, enough people demand integration. This a

"If you want another company to use your services, then you need to make it easy." Or, make a service that's so good, enough people demand integration. This article makes some good points but I think things change once you start talking about startups that charge money ... and the Typekit example he gives is proof. It's the one paid service he lists–it doesn't use RPX, FB connect, etc.