Better be safe than sorry. It is always imperative to stay safe. This is a wild world. It’s always a jungle out there.
So everytime you open your gates to the world wide web, be safe, stay protected, use firefox. On top of that, there are a variety of addons/plugins available you can customize your firefox browser with to help you with a better browsing experience.
Bill Gates owns Microsoft, Microsoft owns the Internet Explorer browser. Read the 13 good reasons to switch from internet explorer to firefox. For me, though, the internet explorer being non-compliant with the latest web standards (especially as regards CSS) is one good enough reason to switch.