Everything that works in sales has been done already. Just keep track of the crap that you buy, or the awesome stuff that you buy, and decide what was the trigger, and then just sell to people like you. It's really that easy - and that's what I do.
In March of 1933 we witnessed a revolution in manner, in mores, in the definition of government. What before had been black or white sprang alive with color.
You find sprinters testing other sprinters' mental capability. But these are my good friends on the track. I don't think we need to do that.