This post is a bit old, but still one of my favourites. Way too many projects are planned this way: <a href="http://twitpic.com/tsb9f" rel="nofollow">http://twitpic.com/tsb9f</a><p>Has anyone tried Joel's approach in their own project? Would love to hear how well it works in real life.<p>In a current project, we're again struggeling with an unrealistic schedule, combined with an 'agile', iterative approach where all product features are fixed in a 3000 pages long specification.