"We believe these larger rewards reflect the additional challenge involved with tackling the security defenses of Chrome OS, compared to traditional operating systems"
see Google offers $3.14159 MILLION in prizes for hacking Chrome OS • The Register.
That’s confidence! Google is offering $millions in prizes for cracks of their OS. I wouldn’t bet that much on anything except M$’s eventual/continuing decline in the market for client OS. Thanks, Google. Who says “They don’t give back.”?