August 9, 2017August 9, 2017Quotes Listen to all your customers You most unhappy customers are your greatest source of learning Bill Gates Share this: Print (Opens in new window) Print Email a link to a friend (Opens in new window) Email Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Like Loading...