Not too long ago there was no internet. We got all our ads on TV and the radio. Advertisers spent millions to get to millions of people. With the advent of the internet, advertisers can reach millions of people for fractions of this, sometimes even free. Finding a way to gain top search engine placement is always key in this market. Someone goes to Google looking for some sort of widget you sell and you want to show up at the top of that list. You have to learn how to do it though. That's why you need to look at the link to see how.