TL;DR: Add a second screen anywhere with the Mobile Pixels Duex Float 2 Pro 16-inch portable monitor, now $279.99 (reg. $389.99). Working from a laptop has its limits. You start strong with one screen ...

I’ve always been a big fan of dual-screen setups. Whether I’m writing, researching, or just keeping X (formerly Twitter) open on the side while I work, an extra screen makes life so much easier. But ...