Writing Tight: Why Tiny Business Plans Are Best
stoweboyd.com
stoweboyd.com
It's called editing, and the author of the post shows a good way to make people do it: add constraints.
The kind of discussion he hopes will arise from getting the core of the document out in the open should probably be happening anyway. I suppose plenty is lost in day-to-day activities.
How about a corollary to writing the 10-page business plan: write an elevator pitch that you can post to twitter.
Isolate the key variables and focus on them, the rest will come organically as a result.
Plans and rigidity are tough on startups. If you can't fit a summary of your idea and plan in the space that one of PG's essay takes up, you've wasted too much time on the plan.