Be Conservative in What You Send, Liberal in What You Receive

A one-sheet on posture toward the people around you The principle, and its known failure Jon Postel wrote it for computers talking to each other: send strictly correct output, accept anything you can reasonably interpret. It let a fragile early internet work despite everyone's software being slightly wrong. Engineers later turned against it. Broken implementations … Continue reading Be Conservative in What You Send, Liberal in What You Receive