Almost all respectable modern web browsers these days, be they on desktop or mobile, offer a way out of obnoxious ads, activity tracking, and potential invasions of privacy. But more often than not, these features come at the cost of a bit of complexity, which can be intimidating for an already anxious user. Mozilla, who only last year was finally able to bring its Firefox browser in full to iOS, might have a solution. For iOS only as well. It is called Firefox Focus, and not only is it already private by default, it is also dead simple to use.