With one press of the button, Opera mutes every tab open in your browser and hides all windows ... but if you're using Opera at work, your boss may raise an eyebrow when they see YouTube or ...

It's also pretty easy to have two instances of a web browser open ... use case here is to quickly hide whatever it is you type into your incognito tabs at home, and in that sense I can see Panic ...

If you have an iPhone, you can open Safari and hit the tabs button in the bottom-right corner of the browser window. Now, press and hold the button showing the number of open tabs. You can press ...