YouTube's profitability or lack thereof has long been debated in the absence of facts. In announcing a mildy high six-figure deal for YouTube, VentureBeat's MG Siegler quotes Forbes numbers that aren't much higher than previous arbitrary estimates. From what I hear, Google has sent engineer after engineer to solve a problem that seems intractible — how to guarantee the site's content is kosher. It's become a point of fail in Google business culture, and the solution lays beyond the company's algorithm-worshipping, individualist ken: aggregating human effort.