Regardless of the type of business you run, there are most likely other people doing the same thing.  Competition is one of the driving forces behind innovation and new ideas.  And as any businessperson will tell you, one of the most important keys to successful competition is the monitoring of the other businesses in your industry.  Keeping tabs on the competition is crucial to the success of your own company.  And a post at Search Engine Roundtable points to a forum discussion that deals with monitoring the competition's SEO practices.

Take part in the discussion and maybe learn a few things at the same time.