If you're basket of features is full, then add easter eggs. It's all about expected value. Most adults don't care about things like easter eggs, they just want

If you're basket of features is full, then add easter eggs. It's all about expected value. Most adults don't care about things like easter eggs, they just want a high quality product/service that ~tickles~ them well. Relatively speaking, easter eggs go better and are more par for the course with less serious products like games, google Carmack easter eggs for some good reading :-)