This HP portable monitor made me reconsider a gadget I've ignored for years

• The HP Series 5 Pro 14-inch WQXGA Portable Monitor is on sale for $339.
• It's a travel-friendly screen that delivers sharp, vibrant visuals and a rich set of features.
• However, the low refresh rate may limit its usability for certain workloads.

It's hard to believe, but there was a time when I didn't see the value in a second monitor. I figured juggling multiple tabs was good enough -- until I finally set up a dual-monitor setup with my desktop and instantly realized what I'd been missing. Now, I can't imagine working without one.

Also: Amazon is selling this 49-inch Samsung OLED monitor for $720 off right now - how to redeem it

For frequent travelers, portable monitors offer the same boost in productivity, but on a smaller scale. I'm familiar with the space, but never saw myself ...