So don’t treat tweeting on the job like an infraction — encourage it! Ask your employees to expense lunches with interesting people. By helping emplo… - Reid Hoffman

old economy” businesses often have low gross margins. Growing wheat is a low-margin business, as is selling goods in a store or serving food in a restaurant.

One of the reasons businesses tend to rely on blitzscaling is that speed is one of the primary advantages they hold vis-à-vis large companies. Start-ups can act quickly to capitalize on the new opportunities created by technological advances. If they dawdle and proceed at the same pace as a big company, they’re fighting on an even playing field, which means that the big company’s resources will likely confer massive advantage.

Finally, many people simply think better thoughts when in dialogue with others. Remember I^We: an individual’s power is raised exponentially with the help of a network. This is partly because when information moves back and forth between knowledgeable people who care, the signal strengthens. Two (or more) well-coordinated brains beat one every time.