The keynote is to show that you can change your way of life a little bit. You do not live for photography but you can live with photography in a deeper way than simply "to have" a new camera. It is the way to use the camera as an instrument for visualisations of the world around you.
What is the difference between Fineart-Streetphotography and Paparazzi-Streetphotography? How do you shot with smartphones? What is a must-have for cameras in the field of streetphotography? Which cameras are "better" for streetphotography?