To summarize Marc Andreesen: When I heard about the Whats App deal, I thought, wow it's worth that much. That must be what it's worth. Should I believe someone

To summarize Marc Andreesen: When I heard about the Whats App deal, I thought, wow it's worth that much. That must be what it's worth. Should I believe someone on the internet, or Mark Zuckerberg, who had painstakingly researched it, has access to the real financials and bet his own money and the future of his company on it.