1. UPON HEARING, IN MARCH of this year, reports that a 17-year-old schoolboy had sold a piece of software to Yahoo! for $30 million, you might well have entertained a few preconceived notions about what sort of child this must be. A geeky specimen, no doubt. A savant with zero interests outside writing lines of code. A twitchy creature, prone to mumbling, averse to eye contact.