There are examples of emergent behavior which are not scale free. The natural language to use is one of quarkson gluons, on the other side it's barions and mesons. That framework might be applicable to wide variety of different phenomena. Sigar rabala says, i have a process related question for you. You cover a lot of interesting topics with a variety of gas s. My question is, how do you decide which topics, and how do you decision which guest to invite? Itt sorry. Sacar balla, i guess. All right. Let me say one more, a slightly more definite thing. There a to ken’s question,