You should check out http://www.tbray.org/ongoing/When/200x/2008/05/05/Changing-Your-Address.
Tim is explaining in a real-world scenario the exact idea around the “Infobus“.
This is all about liberating your data.
Imagine if Amazon could access a feed (that you provided and gave them access to) containing the names of all your purchased books rather than storing all this information “for you”.
It is your data after [...]
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