Champion surfers arrive at the beach a few hours before it's showtime. They sit on the beach and observe the water patterns. This is called pattern recognition. A few hours later, they position themselves right where they think the waves are going to form. That's the secret. If you're trying to spot a wave and [...]

Imagine these two scenarios. Scenario #1: You own a dating website that has been around for ten years. You already have thousands of members, but you want to keep expanding,  so you launch some new ad campaigns. Would you want to show your ads to people who are already members? No, you’d be wasting your [...]