How to disable Sponsored by Pocket in Firefox. Firefox 60 adds "" from Pocket, a new type of ad that appears on Firefox's New Tab page. Here's how to hide them.
Mozilla provides you with recommended and sponsored personalized ads. Firefox compares your local browsing history and list of interesting ads to find the ones that work best for you. Your browsing history is never sent on the web, all of this happens locally.
How to disable Pocket Sponsored Ads in Firefox
Click the gear icon in the upper right corner of the New Tab page.
Uncheck the “Show Sponsored Stories” checkbox in Recommended by Pocket
You can also deselect the option "Recommended by Pocket”If you don't want to see Pocket news on the page New tab.