"It is difficult to get a man to understand something, when his salary depends upon his not understanding it!" -- Upton Sinclair

I wonder how much it's because so many Silicon Valley salaries are dependant on people assuming that replicating what they do is way harder than it really is? What happened to Britannica or BitKeeper or AltaVista might just happen to the ISP industry - or any other Start-up-de-jour...