Learn just enough to iterate a design quickly, use established styles, and put in a bit of effort on every piece. And you can dramatically increase your product quality.
If you’re just learning to use the shell, try Zsh. It has lots of customizatin options, built-in spelling correction, auto-completion, syntax-highlighting, loadable modules, and gl
Do you need a VPN? Probably not. Today, nearly every email provider, website with sensitive info, and Internet communication channel uses an encrypted line.