With all of these multiple-billion dollar valuations being thrown around for Facebook and MySpace, my guess is that Flixster co-founder Joe Greenstein and the rest of the crew over there are feeling pretty good about their situation.  The last time Vator.tv caught up with Greenstein, in June, he told us that they were at nine million unique visitors per month. About 3.5 million of those came via Facebook, thanks to the popular widget that Flixster had just built for that platform in May. You can click on Joe's video pitch to the left.  While that’s not as big enough to crack the Top 50, according to comScore’s September report, Flixster got to that level in just 18 months, and with ... [ Read more ]