https://www.smithsonianmag.com/smart-news/first-social-network-might-have-involved-beads-carved-from-ostrich-eggshells-180979542/

I was excited when I first saw and bought these ancient beads and knew they were very old. I did not know HOW old they were and really appreciate you posting this link and information. There is so little research done on ancient beads found in Africa and this is amazing. Thank you!