The reason why many popular products are in 'Beta' is because a web-based application, unlike a desktop app, can be in a state of perpetual upgradation and new features can be added seamlessly without planning for 'release cycles'. More so, users expect quick and frequent feature upgrades for these applications. But adding new features is not excuse for not releasing a final product! One could always add new features to a 'test instance' test it and then release them into the 'production' version. That's the way things work in the corporate sector, shouldn't they work similarly on Web 2.0? The reason why this cycle cannot be performed for most of these new applications is that they 'need' their users to test the new application features. Unlike corporate development environment where a dedicated team usually performs unit testing before release, some of the web based features cannot be tested by a 'small' testing team. Take for ex...