Sprint posted its fourth quarter earnings report for 2013 this morning, with highlights including the highest number of subscribers ever for the company. Sprint now has 53.9 million subscribers, its highest ever, after adding 58,000 post paid subscribers, 322,000 prepaid subscribers, and 302,000 wholesale subscribers last quarter. For network news, Sprint now claims to cover 200 million people with LTE and has its Sprint Spark service in 14 markets.