BLACK ROCK CITY — In between weathering dust storms, drinking heavily and stalking Internet tycoons, we have come in contact with an amusing assortment of tech people who have come to Burning Man to shrug off their work cares and forget about the Web for a few precious, hot, dusty hippie-filled days. We managed to tackle Stef Magdalinski, illustrous CTO of Moo.com, as he was puttering about his camp.