As part of my project to find a perfect Windows 10 device for me, I'm currently testing a Dell XPS 13. I'm not going to pre-empt my review as it's still a work in progress. But The Dell, MacBook and several other systems on the market have decided to put all their eggs in the USB-C basket. And that's proving to be an epic pain with suitable devices, cables and other peripherals still relatively hard to get.
Lifehacker is filled with advice on how to improve yourself and do things better. Advice on what to avoid can be harder to come by - especially for the over 35 set, who are supposed to have everything worked out by now. With that in mind, here are 15 things that should be a distant memory by the midpoint of your thirties.