BRISTOL, UNITED KINGDOM - DECEMBER 15: (FILE PHOTO) Staff on the night shift at Royal Mail's sorting office in Filton, one of the biggest in the UK, help process an expected 2,800,000 letters, parcels and packets during the busiest 24hrs of the year on December 15, 2008 in Bristol, England. Royal Mail workers are expected to demonstrate in Westminster today February 24, 2009 after unions organised protests in opposition to government plans to privatise part of the service. (Photo by Matt Cardy/Getty Images)