why YAGNI acts to EXPLOIT the bottleneck

Clarke asked me to explain my earlier throw-away remark that YAGNI forms part of the EXPLOIT step in moving the bottleneck away from development, so here goes… YAGNI (You Aren’t Gonna Need It) is an exhortation from the early days of XP. It has been discussed and misunderstood a great deal, so I’m not going […]


My apologies if this has been said or written a thousand times before: YAGNI is XP’s way of exploiting the constraint. Which means that XP, and hence most agile methods, are set up on the assumption that the development team is – or soon will be – the bottleneck. And having identified that bottleneck, our […]