Some time ago, I set up a Twitter account to relay the local weather report to my cellphone. The plan was to use TwitterFeed to relay the RSS from The Weather Network to the Twitter account, then follow it via SMS.
Lots of sabots in the works. First and foremost the RSS from The Weather Network [...]

This is a huge step towards an open, interoperable social web; Google and Facebook are probably the two largest collectors and holders of data (social and otherwise) on the web, and they have been among the most reticient about sharing their data.