In addition to Google Analytics, we tried Twitter, Facebook and Stumble Upon. My feeling is that, at early stages, all outperform analytics unless you really k

In addition to Google Analytics, we tried Twitter, Facebook and Stumble Upon. My feeling is that, at early stages, all outperform analytics unless you really know what you're selling and/or you've good landing pages. All have their specific "way to use it", e.g. on Facebook you need a page with engagement, on Stumble you need "something" that people can stumple upon :) e.g. blog posts. Here I'm considering signups as conversions. Analytics (and Bing) were good to reach a lot of page views (that may still be useful).