What a brilliant idea! I suppose the lesson to learn from this idea is that by adding a bit of extra fun and reward you can improve user interaction. Perhaps

What a brilliant idea! I suppose the lesson to learn from this idea is that by adding a bit of extra fun and reward you can improve user interaction. Perhaps this is why fancy effects and AJAX are so often used to make a web page more enjoyable. They might make it more fun to use, but at the same time too much can have a negative effect.