819 million hours of unpaid labor. And just think, a large chunk of that was performed by children. CAPTCHAs are slave labor in small doses. It's also a way of

819 million hours of unpaid labor. And just think, a large chunk of that was performed by children. CAPTCHAs are slave labor in small doses. It's also a way of avoiding paying taxes on that labor. But hey, what's a few billion dollars in unpaid taxes and unpaid wages and child labor violations between friends?