A copy of the Mona Lisa photographed by people using mobile phones in downtown TokyoPhotograph: Kazuhiro Nogi/guardian.co.ukA man uses a cell phone to photograph a burnt-out bus following an attack in Sao Paulo, July 13, 2006Photograph: Caetano Barreira/guardian.co.ukUmar Farouk Abdulmutallab, the Nigerian who attempted to carry out a terrorist attack on a flight to Detroit, is captured on a camera-phonePhotograph: guardian.co.ukA tourist takes a photo of a beluga whale with her mobile phone at the Hakkeijima Sea Paradise in Yokohama, JapanPhotograph: Kimimasa Mayama/guardian.co.ukPresident Barack Obama and First Lady Michelle Obama smile as they walk into the Biden Home States Ball and have hundreds of cameras and cellphones directed at them during an inauguration ball on January 20, 2009Photograph: Robert Nickelsberg/guardian.co.ukAdam Stacey's self portrait during the London terrorist attacks on7th July 2005, as he escaped from a train into a smoke filled tunnel. Photograph: Adam Stacey/guardian.co.ukAfghan women take pictures with their mobile phones at an election gathering wait for the Afghan President Hamid Karzai in Kandahar on August 16, 2009Photograph: Banars Khan/guardian.co.ukNew Yorkers capture steam erupting from the site of an explosion at the intersection of Lexington Avenue and 41st Street in July 2007Photograph: Chip East/guardian.co.ukActor Nicolas Cage greets fans during a promotional event for the film National Treasure: Book of SecretsPhotograph: Michael Caronna / Reuters/guardian.co.ukThe crowd at Edinburgh's Live 8 concert, July 2005Photograph: guardian.co.ukA woman captures the Summer Palace in BeijingPhotograph: guardian.co.ukPaul McCartney snaps away from his front row seat at daughter Stella's autum/winter 2009 show during Paris Fashion WeekPhotograph: guardian.co.uk