There are many circumstances where a blogger would mention competitors in the context of a discussion about industry issues. When writing about your competitors, make sure your words are respectful.
John Cass, head of digital marketing at Pace Communications, says corporate bloggers should focus on common courtesy in their interactions with clients, customers, partners and the general public. "A blogger shouldn't handle things the way a journalist might," he told Lora Bentley. Among the seven essentials to etiquette he offers: Respect copyright and fair use, check in with clients or customers to be sure that they are ok with what you plan to write about them, and be the first to correct your own mistakes.