Twitter, Facebook, Google + are the trifecta of marketing for authors (and bloggers).

For startups, SM is now crucial: it has never been cheaper and easier to reach one's customers. Entrepreneurs should thank God for Twitter, Facebook.

"(Big name research firm) says our market will be $50 billion in 2010." Every entrepreneur has a few slides about how the market potential for his segment is tens of billions. It doesn't matter if the product is bar mitzah planning software or 802.11 chip sets. Venture capitalists don't believe this type of forecast because it's the fifth one of this magnitude that they've heard that day. Entrepreneurs would do themselves a favor by simply removing any reference to market size estimates from consulting firms.

This is the beauty of social media: it helps you find people and then you can contact them fast and inexpensively.

Patience is the art of concealing your impatience.

Second, you need to spread the large amount of information knowledge that you've gained-pooping like an elephant. This means sharing information and discoveries with your fellow employees and occasionally even with your competitors.

It's easy to say that entrepreneurs will create jobs and big companies will create unemployment, but this is simplistic. The real question is who will innovate.