Is Entrepreneurship Just About the Exit?

Here is an excellent article I just read on Techcrunch written by Vivek Wadhwa, about entrepreneurs and  entrepreneurship:

David Park and Eric Bahn are earning more at their startup, called Beat The GMAT, than they ever did in the corporate world. Every penny of profit from the business goes directly into their bank accounts. They enjoy being their own bosses; have become experts in sales, marketing, customer support, computer programming and graphic design; feel good about helping students gain admission to business school; and are grateful that they can spend their time doing things rather than discussing things—because they don’t answer to anyone. Why should they sell their business and be back to working for companies like Intuit or McKinsey & Co., they ask? Read more of this post