The infamous 90/90 rule: > The first 90 percent of the code accounts for the first 90 percent of the development time. The remaining 10 percent of the code acc

The infamous 90/90 rule: > The first 90 percent of the code accounts for the first 90 percent of the development time. The remaining 10 percent of the code accounts for the other 90 percent of the development time. https://en.wikipedia.org/wiki/Ninety%E2%80%93ninety_rule https://en.wikipedia.org/wiki/Ninety%E2%80%93ninety_rule