Perhaps I'm missing something, but isn't the system-wide Twitter integration addressing exactly the point you are talking about? I'm not saying this means they

Perhaps I'm missing something, but isn't the system-wide Twitter integration addressing exactly the point you are talking about? I'm not saying this means they shouldn't be doing more, but I don't think saying they aren't doing anything on this front is correct either. iPhoto on the mac also got Facebook integration recently (though I find it to be buggy).