At a lecture given to the RSA, Everything Bad Is Good For You author Steven Johnson asked: “Where do good ideas come from?” In five minutes he outlined a theory that the most fertile environment for ideas is one where they can meet, bounce off each other and joyfully breed – where half-formed hunches can combine through conversation to emerge as beautiful butterflies. That’s why the coffee houses were the intellectual centre of 18th century London - and it's also why GameCamp is a good idea.