App.net commits to data portability as a brand promise

Well, proof will be in the code. And the terms of service. Right now it is mostly intention, great intentions. It gets progressively harder to deliver these as scale pulls use cases from a larger population. And interop will stay hard until identity and personal data ecosystems a la http://www.idecosystem.org/ and http://personaldataecosystem.org/startup-circle become effective federations.

Awesome that this is a key component of the product. And Dalton has commited that it will remain a critical piece.

Dalton has committed to almost every open platform standard available. Plus, an amazingly open API.

That's why angry Twitter developers are showing up in spades, from all around the world.

That's why Silicon Valley top talent is showing up to collaborate with him, to help build it. Think Linux.org.