For street art of every medium. Paint, marker, adhesive, poster, paper, pen, pencil, chalk.
...If it's on the streets. If it has style. If it is what you make it and however you get people to notice it. Spraypaint, stickers, packaging labels, wheatpasting...
...Freedom of speech, of expression and of medium...
...If you participate in it, or just admire it, or want to know more about it...