Four more years; Barack Obama's victory tweet and (accompanying photograph) have been retweeted over 800,000 times. So how did the photo come to be? It was taken back in August at an event in Iowa, explains Scout Tufankjian, the photographer behind the iconic shot. "This was the first event the First Lady had been at and they hadn't seen each other for days... I always try to focus on them as a couple, rather than as public figures." Tufankjian has been a professional photographer for 12 years and was the only photojournalist to cover the entirety of Obama's 2008 campaign. If you'd like to discover more about her methods, and what equipment she uses, check out Gizmodo's interview.