Predicting future is hard. Using a few recipes to avoid having to break backwards compatibility every so often is pretty easy, as long as you know what they ar

Predicting future is hard. Using a few recipes to avoid having to break backwards compatibility every so often is pretty easy, as long as you know what they are (eg. you may need to live with your "referer" typo for a long time), and enforce them through coding standards and reviews and automated tests.