Social media activists are hoping their efforts will prevent a repeat of the fraud which marked the 2007 election.
A truck with an election campaign banner depicting Nigeria's incumbent President Goodluck Jonathan, in Lagos, Nigeria, Wednesday, April 13, 2011.
People sit under a bridge with election posters as they wait to cast their votes at a polling unit during the parliamentary election in the Ojuelegba district in Nigeria's commercial capital Lagos April 9, 2011. Nigerians voted in a delayed parliamentary
An electoral official check a voters name at a polling place in Daura, Nigeria, Saturday, April 16, 2011