This gallery is simply candids and still lifes taken on the street.      One of the advantages of the G-series cameras is the tilt-and-swivel viewfinder which makes shooting surreptitiously a little easier -- although people still have a great awareness of when something with a trigger is pointed at them.      Another technique is simply to leave the LCD viewfinder shot and shoot blind... it doesn't take much practice to get quite good at it. You should us a wider field of view than you normally would for a particular shot to give yourself some croppable leeway.