Posted: 2015-06-02 17:02
So just updated to a new version... OH DEAR GOD... as if not the chat button and other crap wasn't enough... they have added yet another advertisement button to remove!
Type about:config in the browser's address bar and hit the enter-key afterwards. Confirm that you will be careful if the prompt appears. Search for browser.pocket.enabled. Double-click on the preference to toggle its state from true to false.