It never ceases to amaze me the ways people find to build the backlink profiles for the sites they manage.
As a true geek, I love to check out my company's competitors in the natural search rankings and take a look at where they're getting their links from. Most recently I've found the majority are sponsoring blogs in one shape or form, however, today I came across a new approach (to me anyway). It looks like one of our competitors has 'encouraged' another domain, that has no obvious relationship to them, to 301 redirect URLs from said domain's site to the site of our competitor. Genius or Black Hat?