They did an experiment where they gave some customers a ‘buy ten get one free’ card, while others got a ‘buy twelve get one free card’ but with the first two stamps already filled in.

In practical terms, the loyalty scheme was identical, but the customers bought coffees more quickly to full up the ‘buy twelve’ cards in less time - in line with ‘goal gradient hypothesis’ - despite the fact that the actual progress towards the goal was no different.

If you watch jaws backwards its about a shark that pukes up so many people that they eventually have to open a beach.

There seems to be no such thing as too frequent, but there’s definitely such thing as too long

The primitive, difficult to monetize, text- and image-based medium that we consider social networking today is nothing more than the crude framework for a richer, more dynamic and highly monetizable social play experience that consumers apparently crave.

Nokia 4000 Series: skipped as a sign of politeness from Nokia towards Asian customers. See tetraphobia.