Let’s look at a case study this week. This example of customer focus is a real story. Two weeks ago I bought a refurbished Blackberry from a company on eBay. After checking the company rating (high 90 percents) I bought the phone for $30.99. I wasn’t looking for anything fancy. In fact, I considered it a downgrade. Two days after I received the phone, charger barely worked. I submitted a request for a new charger on Saturday; It took them …