Allow users to manually configure how often ad-blocking lists will be auto-updated. Also, give warnings to users if some lists are redundant (like EasyList and EasyList+EasyPrivacy).Ģ. Add more default optional ad-blocking lists to Opera's native ad-blocker, and allow users to add URL's as custom ad-blocking lists.ġ.1 Add a brief and helpful description to each ad-blocking list, so users know what they're getting.