What You Need to Know About Google AdWords

The most important thing is still to think about retention and not to think about virality. Only do this after, after you have a large number of people retained on your product per person who signs up. So research consists of what do people search for that's related to your sight? How many people search for it? How many other people are ranking for it, and how valuable is it for you? Supply, demand and value. Simple economics, i guess.