On the Stack Overflow blog ( http://blog.stackoverflow.com ) the drop down for the Stack Exchange is unpopulated. This seems rather odd in the layout and wording.
That said, should this even be on stack overflow or should there be a blog.stackexchange.com (thus why it is on MSE rather than on MSO)? Note the text behind that dropdown:
Compare with the drop down from another blog enabled site that shows the associated community (note:
$site.blogoverflow rather than
- Move blog.stackoverflow to blog.stackexchange (related: Move the Stack Exchange blog to blog.stackexchange.com )
- Associated blog.stackoverflow with meta.stackexchange.com
- Make the communities drop down populate stack overflow related sites