According to ComScore 167 million U.S.-based Web users watched video online during October. Google easily led the pack, servicing a whopping 38 percent of all videos Americans viewed online, with 99 percent of those videos watched on YouTube.

Hulu delivered 856 million videos, accounting for 3.1 percent of the market and setting a new record for monthly views. Microsoft came in third, with 451 million videos viewed on its site, capturing 1.6 percent market share.

Source: ComScore