Hacker News. Getting Your Site Indexed Before You Launch. How To NOT Write A Business Plan. Entrepreneurs often ask me for a sample business plan they can use as a model for their fundraising efforts.
They are surprised when I send them a powerpoint file. It's always a good idea to put down on paper your plans for the business, so that your team can build consensus around objectives and metrics. Make it as thick and wordy as you like (though show some restraint--over-modeling the future only wastes your time).