My theory on why software estimates suck is tied to Rosenberg’s Law: > Software is easy to make, except when you want it to do something new. The corollary is,

My theory on why software estimates suck is tied to Rosenberg’s Law: > Software is easy to make, except when you want it to do something new. The corollary is, The only software that’s worth making is software that does something new. It's hard to estimate the difficulty of something you've never done. And the nature of software development is to always do new things.