Need more traffic? There's a lot you can learn from spying on your competition. Your competition has traffic sources that you can easily swipe by following these steps.Step One: Who should you spy on? You probably can name six to thirty online competitors. If not, you need to go through Google and Yahoo with the key terms you target. Who comes up? Write down everyone who has a business similar to yours, even if they aren't identical.Now you need to figure out who you should spy on first. Begin w.