Switches, layout, keycaps and budget: a practical walkthrough of the four decisions that matter when buying your first mechanical keyboard, plus what to prioritize at each price level.

Small changes to your screen, background apps and charging habits can add hours to a phone's battery life. Here are twelve settings worth adjusting today, and why each one matters.

A refurbished laptop can save you real money, but only if you check battery health, warranty terms, seller history and return rights before paying.