[Oblongata]

Cmon, it was a pice of paper. It wasn't some hig tech device. A piece of PAPER. You dont unfold a pen, a black pen is not white and rectangular on video. It never looked black. The simplest answer is correct. It was a piece of PAPER.

[Soliton]

Okay, Okay, call me tinfoil. I'm just having fun and it is possible.

[Steven W.]

The simplest answer is correct. It was a piece of PAPER.

I concur - there's no way it was a pen & it was obviously paper / cards of some type.

[nuconvert]

Paper, pen, it's never been an issue with me.
I just think, "That's an interesting little device."