I thought this was interesting. I would think it would take a while to spread and there may be some security holes, but it’s pretty neat. I’ve always wished there was a way to mash up 3 or 4 services that did similar things, but not quite everything I wanted.
http://techcrunch.com/2011/08/04/google-announces-plans-to-bake-android-like-web-intents-into-chrome///cdn.embedly.com/widgets/platform.js