Behavior-based safety, which has enjoyed a profitable run of popularity as the "in" thing to do in safety stretching back to the mid-1990s, shows signs of losing steam - or changing its focus and identity. Many BBS consultants now prefer to talk about "performance" instead of behavior. At the American Society of Safety Engineers meeting in Nashville this past June, BBS pioneers Behavioral Science Technology had its booth plastered with posters proclaiming: "What the heck is Integrated Performance Excellence?". BST's new slogan: "Connecting people and systems."