Wow, that paper is absolutely damning. > Design: 1.5 years (elapsed) to come up with a design they believed they could implement. > Development: 3 person-year

Wow, that paper is absolutely damning. > Design: 1.5 years (elapsed) to come up with a design they believed they could implement. > Development: 3 person-years (3 people × >1 year each) > (Note: By comparison, implementing the complete Java language from scratch took the same team 2 person-years.