This morning we took a look at how social media is playing a significant role in the 2012 U.S. Presidential Election, but what about over on the other side of the pond?

London is currently in the midst of deciding on its next mayor, with the election due to take place tomorrow, May 3. Current mayor and Conservative candidate Boris Johnson is the favourite to win, but he faces serious competition from Labour nominee Ken Livingstone.

Will social media influence the outcome in London, too?

This infographic from Salesforce takes a closer look at how social media is shaping the 2012 London Mayoral Election. The infographic is updating in real time, so click here to see the latest data.

(Source: Salesforce.com.)