So far, Chrome is the only browser of the big four -- Safari, Firefox, and Internet Explorer being the other three -- to escape the Pwn2Own hacking competition unscathed the past two years. (Sorry Opera aficionados, looks like there's not enough of you to merit a place in the contest yet.) Evidently, its past success has Google confident enough to pony up a cool $20,000 and a CR-48 lapto
