Please enjoy this encore of Word Notes. An open standard for hardware authentication tokens that use the universal serial bus, or USB, near-field communications, or NFCs, or Bluetooth to communicate one factor in a two-factor authentication exchange. Cyberwire Glossary link: ⁠⁠https://thecyberwire.com/glossary/u2f⁠⁠ Audio reference link: “⁠⁠Rise of the Machines: A Cybernetic History⁠⁠,” by Thomas Rid, Published by W. W. Norton Company, 21 November 2017.