Way back in 2000, I worked for a technology B2B advertising agency. While there I discovered some old polaroid film that had been sitting in the light for a while. I remember taking the pictures of my work colleagues then furiously manipulating the pictures in real-time, just before they would dry (died).
I love that the process happened quickly and that I had a limited time to produce the image. Not sure what my work colleagues thought of me at the time, but I had fun and still quite like some of these polaroid portraits.