Customize Power Saving Mode on the Galaxy S3

Problem: You want to change/see what Power Saving Mode does on your S3.

Solution: Settings > Power saving mode > toggle/check whatever you'd like

Remove Bing from Firefox

Problem: You have Firefox, but you hate Bing and want to remove it.  When you type search words into the address bar, it always redirects to Bing (instead of Google).

Solution: Type "about.config" in the address bar → Enter → I'll be careful, I promise! → Type "keyword.URL" in search box → Enter → R click → Reset