Of all of these, #3 has made the most memorable conferences in my career. I feel like I've gotten value when I get on the plane to go home and I can't decide wh

Of all of these, #3 has made the most memorable conferences in my career. I feel like I've gotten value when I get on the plane to go home and I can't decide which of 20 new projects I've thought of in the last 3 days that I want to start on first. Of course, #3 depends heavily on #1 & #2.