How Accurate Are Restaurant and Packaged-Food Calorie Labels?

Cited in threads on calorie counting as a quick, visual demonstration that labeled calories can be well off.

Casey Neistat's short New York Times op-doc investigating how accurate restaurant and packaged-food calorie labels really are. He gets items from chains like Chipotle, Starbucks and Subway measured by nutrition researchers and compares them to the printed numbers.