A million users is a very good number if you’re a young web startup. When these million users are all a part of an invite-only beta program which has been running for a couple of months only, it’s even better. Joost, as you probably already know, is a P2P-based online TV service, focused on professionally produces content and not user-created stuff like YouTube.

Niklas Zennström, one of the creators of Joost (and Skype) has revealed this number at a press event in Tallinn, Estonia, and announced the official launch of Joost for the end of 2007.

Read our detailed review of an early Joost beta here.

[via]