Twitter runs an entire advertising platform. If you've ever logged into Adwords or Adsense you'll know how complicated that is. I wouldn't be surprised to lea

Twitter runs an entire advertising platform. If you've ever logged into Adwords or Adsense you'll know how complicated that is. I wouldn't be surprised to learn that the basic twitter.com tweeting/commenting/retweeting system isn't remotely the most complex system that Twitter even has.