LONDON, ENGLAND - JULY 24: A Royal Mail van makes a delivery to Buckingham Palace on July 24, 2013 in London, England. Business Secretary Vince Cable has announced the Government's intention to sell a majority stake in the 360 year-old postal service via a share offering. The proposed sale will be the largest UK privatisation since Prime Minister John Major broke up British Rail in the 1990s. (Photo by Oli Scarff/Getty Images)