Google on Monday put as much as $1 million on the table if researchers can exploit Chrome, and withdrew its sponsorship for next month's Pwn2Own hacking contest, according to Gregg Keizer. He tells us that Google had promised to pay $20,000 to anyone for leveraging browser-only flaws in Chrome, and $10,000 for what's described as a partial exploit. Keizer explains the exploits -- and what hackers could earn by exploiting Chrome in the contest.