Querix’s guest speaker Eric Vercelletto at the 2021 IIUG Virtual Conference. Sep 27, 2021 Company News. Querix is happy to announce its guest speaker Eric Vercelletto at the 2021 IIUG Virtual Conference with the presentation: “Developing IoT and Hybrid applications with 4GL: am I dreaming or is this really”. Thu 10/7 3:30 pm EDT The