https://johns-newsletter-606002.beehiiv.com/ 2026-01-10 https://johns-newsletter-606002.beehiiv.com/authors 2026-10-22 https://johns-newsletter-606002.beehiiv.com/authors/bodysensiq-bodysensiq 2025-06-20 https://johns-newsletter-606002.beehiiv.com/p/the-pros-and-cons-of-wearable-tech 2025-07-19 https://johns-newsletter-606002.beehiiv.com/p/apple-ring 2025-06-29 https://johns-newsletter-606002.beehiiv.com/p/oura-vs-samsung-vs-ultrahuman 2025-06-28 https://johns-newsletter-606002.beehiiv.com/p/bodysensiq-june-2025 2025-06-20 https://johns-newsletter-606002.beehiiv.com/t/best-smart-ring-2025 2025-09-18