Grumpy Old Geeks Products Duet Display Product Duet Display 2 mentions in 1 episode Software the hosts use to make an iPad a second computer display. Mentions 349: Pika-Poo Jun 1, 2019 55:10 I spent 15 bucks and went and got Duet Display. 55:47 The only thing that bummed me out is you actually have to have it connected by the cable.