Just a small note..

Posted Sep 14, 2010 2:04 UTC (Tue) by dw (subscriber, #12017)
Parent article: The Grumpy Editor's Twitter experience

They recently added a "native" retweet facility to their API, where instead of endlessly duplicating message text, some kind of behind-the-scenes aggregation occurs that results in "X is on fire! [retweeted by XXX people]".

It'll probably take 6 months for most clients to catch up though.