8. Find out who’s stealing your Wi-Fi.
Isn’t it annoying when your connection is slow because someone else is taking advantage of your Wi-Fi? If you don’t just want to change your password, but also find out who the thief (or thieves) are, then you can download Who Is on My Wi-Fi and maybe go confront them. There is nothing more embarrassing than telling someone that you know they’ve been stealing from you.