While negative online reviews can be completely unsubstantiated, businesses must face a hard truth: The Internet never forgets. Without a detailed strategy in place for dealing with negative reviews, a thumbs-down from a customer—or a series of customers—can stay on the web forever and consequently erode profits forever.
Indeed, according to a Harvard study released in 2011, a simple one-star ratings increase of Seattle restaurants on Yelp spiked a...