Five ways to tell if a blog is shilling for Wal-Mart

Blogger’s Swiss bank account has a series of suspicious deposits, each equal to the minimum wage
MP3 of bored senior citizen welcomes you every time you visit home page
Blog posts appear to have been assembled by imprisoned Chinese labourers working 90-hour weeks
Secret Javascript code scours your browser and deletes bookmarks for union web sites
Small, charming local blogs driven out of business