Jeff Jordan, Anu Hariharan, Frank Chen and Preethi Kasireddy: 16 Startup Metrics

Marc Andreessen is the only billionaire I know to be following me on Twitter. This guest post on his blog “Software is Eating the World” (linked above) is useful for economists who want to get a little more sense of the real world of business. It is also helpful for people who want to enhance their “Shark Tank” viewing experience. (On “Shark Tank” also see my post “Shark Tank Markups.”)