This article first appeared in ALM’s Daily Report.

An attorney shares an article about a high-profile lawsuit against a construction company on his personal Facebook page with a comment: “It’s pretty obvious this company is in some big trouble!” The next day, that attorney receives a furious phone call from his law firm’s managing partner, saying that the firm was pitching to represent that construction company in the lawsuit. Now, the law firm has lost the opportunity because the company’s owner discovered the public social media posting.