People are going to start thinking I'm affiliated with Robert Cialdini's publisher with how often I bring this up, but for anyone interested in more of these so

People are going to start thinking I'm affiliated with Robert Cialdini's publisher with how often I bring this up, but for anyone interested in more of these sort of techniques and hacks, his book Influence: Science and Practice (or the non-textbook version, which I think is essentially the same content, Influence: The Psychology of Persuasion) is a must read.