Two things you’ll notice about Seth Priebatsch: One, his infectious, get-you-out-of-your-chair enthusiasm. Two, the inventory of entrepreneurial feats he’s managed to accumulate at a remarkably young age. Here he describes various techniques and “tricks of the trade” used by game designers to influence players to keep playing and keep coming back for more. These techniques are very powerful when used correctly and can be adapted to many areas of human interaction. For a full list of all