More than 4 in 10 U.S. Adults Typically Wait Until Their Contract Is Eligible to Upgrade Their Cell Phone

AUSTIN, Texas, Sept. 10, 2012 /PRNewswire/ -- RetailMeNot.com (www.retailmenot.com), the largest online coupon website in the United States, today announced the findings of a survey conducted by Ipsos Public Affairs (www.ipsos.com) that reviewed consumer cell phone usage...