Grumpy Old Geeks People Kevin Beaumont Person Kevin Beaumont 2 mentions in 1 episode A researcher whom Dave credits with calling out the false toothbrush story. Mentions 635: Optical Vortex Feb 10, 2024 1:08:21 He was the first one I saw who was posting on social media. 1:14:34 Kevin Beaumont, who I said was the person who initially started calling this out.