When the Personal Computer was invented, the Mainframe Giants scoffed at it, considering the PC undeserving of their attention. Where is the PC today? Everywhere. Same with Twitter. Do not make the mistake Goliath made. The hottest marketing strategy right now is Twitter – a website that has about as many DAILY hits as there are people in California ! (in the 30,000,000+ /day range)… and here’s how you can learn about using it for business…