Well, one of them would have to race to have market dominance, but imagine being the publisher / host for every recipe on the web. You could really only achieve

Well, one of them would have to race to have market dominance, but imagine being the publisher / host for every recipe on the web. You could really only achieve that by opening in your platform / format to 3rd party devs and other services, to allow other tie-ins. So... Instagram didn't invent JPEG... they just made it really simple and easy for everyone to share images, and the 3rd party services that have sprung up around it have strengthened their ecosystem. That's a bad example... but... you get what I'm saying I hope.