I was curious about the difference, if any, in performance between SBJSON and YAJL with Objective-C bindings. SBJSON is a strict JSON parser written in Objective-C. YAJL is a small event-driven (SAX-style) JSON parser written in ANSI C. Awhile back I wrote YAJL Objective-C bindings and I did some very basic speed tests on JSON data from twitter, delicious, last.fm and yelp. I ran these tests on th