More than a decade later, Internet entrepreneurs are still partying like it's 1999.Benders in the Hamptons, yachting in the Caribbean, $130,000 bar tabs, and of course, Snoop Dogg. These geeks turned rockstars spend their days trying to change the world, and their nights partying like there's no tomorrow. As one New York Times tech columnist recently put it, "The newly minted rich are obsessed with outperforming their rivals.