Marc Andreesen — American Businessman born on July 09, 1971,

Marc Lowell Andreessen is an American entrepreneur, investor, and software engineer. He is best known as coauthor of Mosaic, the first widely used Web browser; as cofounder of Netscape; and as cofounder and general partner of Silicon Valley venture capital firm Andreessen Horowitz... (wikipedia)

The advantage of the consumer businesses is they tend to be much broader-based, much larger number of customers, that tend to over time be a lot more predictable. The advantage of the enterprise companies is they are not as subject to consumer trend, fad, behavior.
You go on Facebook, you buy social advertising. And you can very cost-effectively target people who are in the market for your product from all over the world.
China should be another United States from an economic standpoint. Beijing should be another Silicon Valley.
At a certain point in your career - I mean, part of the answer is a personal answer, which is that at a certain point in your career, it becomes more satisfying to help entrepreneurs than to be one.
This has been a trend for a long time; the days of lifetime employment are long since over.