Download Peggle for Mac. You will find your owner, though I am unsure of it's relevancy. I guess the takeaway is offer instant visual gratification. Divvyshot does a great job with this in a more subtle manner.
Tell people exactly how to proceed to a next step.
At that next step, reward them beyond what they could have expected.
Tell people exactly how to proceed to a next step. At that next step, reward them beyond what they could have expected.