ComScore, -- a common metric used to measure internet traffic -- is showing off some impressive stats these days. In the month of November, for instance, Facebook overtook Yahoo! for the first time in worldwide traffic, with the social network nabbing 648 million unique visitors while the portal named after Gulliver's Travels pulled in 630 million. What does this mean to? Well, to point out the obvious, it seems that while Facebook continues its epic growth, the relatively flat state of Yahoo!'s traffic is simply not enough to retain its third place spot behind Google and Microsoft
