A TNT Post worker holds an electronic tracking scanner as he delivers mail to homes in the Balham district of south London, U.K., on Tuesday, Oct. 8, 2013. One of the country's largest employers with more than 150,000 staff, Royal Mail Group Ltd. has shifted away from letters to more lucrative parcel handling, competing with TNT Express NV of the Netherlands and Deutsche Post AG's DHL Express. Photographer: Simon Dawson/Bloomberg via Getty Images