In October, we reported that both InsideAdWords & Microsoft adCenter are Twittering. But it now seems like more Google AdWords representatives have joined the Twitter bandwagon.
Both AdWordsPro Sarah & AdWordsPro Stephen are now on Twitter. You can follow them at:
Sarah is Sarah and AdWordsHelper is Stephen. Welcome to Twitter guys!
Why should you care? Well, if you are an advertiser, you may be able to ask direct questions to these Googlers and you may be able to pick up new tricks and tips for your campaigns.
Forum discussion at Google AdWords Help.