> if you have enough information to accurately estimate a project then you've already done the bulk of the work This is false. I’ve learnt 10s of new UX framew

> if you have enough information to accurately estimate a project then you've already done the bulk of the work This is false. I’ve learnt 10s of new UX frameworks in my career and it takes about 20 hours from scratch to become proficient enough in one to design a new complex widget in it (say) — but knowing that doesn’t suddenly absolve me from spending those 20 hours.