2 Months ago, I created a website. In the last month, I have created over 100 backlinks to all PR3 and above sites including domains with .com, .org, .gov, and .edu. But I'm still not ranked by google, I have maybe 3 visitors a day, im ranked just above 3 million by Alexa..and 0 money coming in. So is backlinking something I should continue to do? If so, what is the ultimate purpose of backlinks?