LONDON, ENGLAND - AUGUST 04: A giant screen on the South Bank, in front of the Houses of Parliament, shows an indication of the mood of people using Twitter as an approximation for the overall mood ... more 
LONDON, ENGLAND - AUGUST 04: A giant screen on the South Bank, in front of the Houses of Parliament, shows an indication of the mood of people using Twitter as an approximation for the overall mood of the nation on August 4, 2012 in London, England. (Photo by Oli Scarff/Getty Images) less 
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Getty Images | Photo By Oli Scarff / Getty Images
Sun, Aug 5, 2012 2:24 PM EDT