Simon Willison’s Weblog

15th August 2008 - Link Blog

REST, I just don't get it. Read the comments for some excellent practical reasons to care about REST, including cache management (PUT and DELETE can expire the cache entries for the corresponding GET), the ability to add or move parts of the server API without redeploying client libraries and the idempotency of GET / PUT / DELETE and HEAD (repeated POST operations may have side-effects).