The icon, positioned right next to the main news feed icon, gives you a different type of news feed, one which displays popular posts from people and pages that you haven't befriended or liked.

Curate your own feed with lists You ... tap your account icon followed by Settings and privacy. Tap Accessibility, display, and languages and then choose Data usage. The resulting menu shows ...

There are several customization options, ranging from the look of the feed to font and from theme and icon style to how your ... Iconfactory said all user data is private and stored locally ...