Media Relations Reading your client through facial ‘micro-expressions’ Small, quick expressions offer a glimpse into what your listener really feels, even if he or she is trying to keep a poker face. By Dustin YorkFeb. 27, 2014 SHARE Because micro-expressions last less a half-second, they can be difficult to spot. Here are a few tips to begin your mastery of micro-expression detection: To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.