In practice it's serving as one though. For sure it's not a 1-1 replacement, but alternatives often aren't. Reddit doesn't work exacctly the same as Digg, and n

In practice it's serving as one though. For sure it's not a 1-1 replacement, but alternatives often aren't. Reddit doesn't work exacctly the same as Digg, and neither work like a PHPBB forum.