Additional acquisitions On November 7, 2012, Sprint Nextel announced the acquisition of 20 MHz of spectrum and 585,000 customers from U.S. Cellular in Chicago, St. Louis, central Illinois and three other Midwest markets. The deal was expected to close in mid-2013. Prior to July 9, 2013, Sprint Nextel only owned a 50.8% equity interest in Clearwire Corporation; On December 17, 2012, Sprint Nextel agreed to pay US$2.97 per share, US$2.2 billion in total, to purchase the portion of Clearwire shares that Sprint Nextel did not already own. On June 20, 2013, Sprint Nextel increased its offer to $5 per share, the transaction was approved by regulators on July 5, 2013, and closed on July 9, 2013, and Sprint Nextel became the complete owner of Clearwire and its assets. On March 31, 2015, the U.S. bankruptcy court approved a $160 million takeover of electronics store chain RadioShack by Standard General. As part of the deal, the company entered into a partnership with Sprint to serve as co-tenants in 1,435 of its locations, beginning on April 10, 2015. Roughly a third of the retail space in each location is dedicated to Sprint products and services, and the stores will ultimately adopt Sprint as their primary brand in place of RadioShack. Sprint stated that this deal would increase the company's retail footprint by more than double. On January 23, 2017, Sprint announced that they were buying a 33 percent stake in the music streaming service Tidal. Merger with T-Mobile US Wireline operations Sprint derives revenue as a wireline IP network operator and as a long-distance telephony provider. Sprint is the United States' fourth largest long-distance provider by subscribers. In 2006, Sprint Nextel exited the local landline telephone business, spinning those assets off into a newly created company named Embarq, which CenturyTel acquired in 2008 to form CenturyLink. SprintLink SprintLink is a global Tier 1 Internet service provider network, operating an 100G Internet backbone. Customers include large multinational corporations, government agencies, retail and restaurant chains, Tier 2 and Tier 3 ISPs, and medium-to-small businesses. SprintLink has physical presence in 155 countries, including the United States, Western Europe, East Asia, Australia, and India. The network wraps all the way around the world with buried fiber optics in the United States and Europe, and undersea fiber in the Pacific, Atlantic, and Indian Oceans. SprintLink is responsible for cable maintenance and administration in the TAT-14 Consortium. In