kers writes "In an attempt to reduce the numbers of outbound pings a a new undocumented "feature" was introduced in Wordpress 2.8. Instead of notifing ping services every time a post is published or edited, pings are now sent once every hour, at the most." Link to Original Source
"An entire fraternity of strapping Wall-Street-bound youth. Hell - this
is going to be a blood bath!"
-- Post Bros. Comics