One day later, Silicon Valley is still trying to pick its collective jaw off the floor following news that Facebook is going to buy WhatsApp for $19 billion.
Even in a region accustomed to seeing companies pay big bucks for other companies with little or no revenue, or even the whiff of a business model, this one came as a shocker.
But where does this one rank in the history of tech deals?
That's a bit harder to answer than you may think. In part, it depends on how one defines a tech company....