I had a couple of these! I got them for opening a bank account way back when. They were sold as "pen-cams", skinny and rather elongated. They weren't actually

I had a couple of these! I got them for opening a bank account way back when. They were sold as "pen-cams", skinny and rather elongated. They weren't actually pen size, but they did sit in a front shirt pocket without standing up too much. Now days of course you can buy pens with actual digital cameras in them.