""...And a weekend-scale implementation on a personal site usually translates roughly into a 90-day implementation cycle in a business context, which is a reasonably approachable project size. (In tech, three days in personal effort often translates to three months of corporate effort.)"" I've always intuitively believed that there is a significant productivity improvement which can be found when sufficiently motivated and talented individuals work on their own projects compared to when they work on corporate projects. But this statement implies a 30x productivity gain. Can this be true? Maybe so...