Surprise! Mozilla just launched an ad blocker for iOS

Mozilla has released a new content blocker for the iPhone and iPad, continuing its push to provide users with privacy options for their Web browsing.Called Focus by Firefox, the app released Tuesday works a lot like other blockers for Apple’s mobile platform: users download the app from the App Store, and open it to select the sort of content they want to block. After that, they just enable it as a content blocker in their phone or tablet's settings.Focus allows users to block several diff