The American Customer Satisfaction Index has scored AT&T and T-Mobile as the two lowest ranked wireless carriers when it comes to happy customers. One time last place carrier Sprint is now the highest ranked tied with Verizon. Sprint and Verizon both rate a 72 for for customer satisfaction in the ACSI survey which polled 8,000 households in the first quarter of 2011. T-Mobile scored a 70 down … [read full article]