There seems to be a ‘day’ for everything now, isn’t it? Like August 19 is world photography day. Though the way smartphone cameras are used these days, every day seems like a photography day. Smartphone cameras have come a long way in the last couple of decades. So much so that imaging powerhouses like Canon and Nikon have all but dropped D-SLR cameras from their lineup. Smartphone cameras have enabled everyone to click great photos without having much technical expertise. The evolution of smartphone cameras has been fascinating, to say the least. Here we take a look at 20 smartphones that changed the camera game for the better