Don't panic. Jack Mitchell, the author of Hug Your Customers: The Proven Way to Personalize Sales and Achieve Astounding Results, isn't suggesting that you take his title literally. Hugging your customers, he says, has nothing to do with being touchy-feely around them and everything to do with offering them over-the-top service. His advice is hardly groundbreaking. For instance, what rookie employee has not heard the old adages such as "know your customer, think outside the box, have a 'no probl.