The new social media brand, Twitter, is notorious for giving people something they didn't know they wanted and now can't live without, while also having terrible customer service. Yet, it grows and grows. Here at PostAdvertising.com, Twitter has become a large part of what we do. It's a great way to talk with our friends in the ad community. Something tells me that when the service is back up, we're going to see a deluge of anti-Twitter tweets. Click here to follow ours.