If you're still unsure what Twitter is, here's a fantastic video explaining it all...
Have You Called The Fail Whale?
Have You Called The Fail Whale?
The search giant has started offering marketers ad units that stream their five most recent "tweets" across the Google AdSense network. The first marketer to use the ad units is Intuit, whose TurboTax brand is trying to boost its Twitter followers. Intuit used several of the measures available for any AdSense campaign to target the ads, which are running on sites such as Bebo, Facebook, Hi5, MySpace and Alltop.