I heard they did away with regional networks. My city used to be my main network and then one day WVU was listed again, so I figured I'd just add Charlotte back on.. no go. If you look through the help questions on fbook you'll see that they've done away with regional networks. I hate it.
OK, June 2009 sounds about right, although I think some of my friends were still in the DC network when I noticed it was gone from my stuff. But that blog makes it sound like it was something they were phasing out rather than doing in one fell swoop. I just looked now and it looks like the regional stuff is in fact gone, friends are only in college or work networks. Good to know I wasn't being shunned for living in the 'burbs.
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"I have never made but one prayer to God, a very short one: 'O, Lord, make my enemies ridiculous.' And God granted it." - Voltaire