However, to what extent would the user even have to be aware of the underlying architecture? Even if the respective user IDs didn't share a common domain, the aggregation would bring it all into the same context. This seems to work well with e-mail, instant messaging etc. Many people I know are only familiar with the application providing the interface to the respective service (e.g. Thunderbird or Pidgin). Asking for user details often results in blank stares.
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However, to what extent would the user even have to be aware of the underlying architecture?
Even if the respective user IDs didn't share a common domain, the aggregation would bring it all into the same context.
This seems to work well with e-mail, instant messaging etc. Many people I know are only familiar with the application providing the interface to the respective service (e.g. Thunderbird or Pidgin). Asking for user details often results in blank stares.