According to a post in DigitalPoint forum, SEO strategies are becoming, and will continue to become more and more vital to run a successful business online. As the world continues to become e-commerce centric (we’re barely past 10% here folks), the importance of information and how that information is accessed will become even MORE important. For a career choice SEO is 100% viable, but you should never limit yourself to a career.
http://forums.digitalpoint.com/showthread.php?t=1551630
In an SEO Monopoly a company is attempting to control multiple sites on the front page of the search results. Each of these sites have some way of highlighting the parent company, usually, through the form of posts or text ads.