Regina Obe from Paragon Corporation brings us 'PostGIS Surprise Extensions'.

This talk will cover various extensions that extend PostGIS. You'll learn what kinds of problems each extension is designed to solve and we'll showcase examples of their surprising use.

Slides: https://postgis.us/presentations/PostGISDay2023_SurpriseExtensions.html and the code link https://postgis.us/presentations/postgisday_2023.sql.