Ads, you've got a valuable source of information, a list of thing people want to do. Give them relevant ads related to their todo list and you'll get a much hig

Ads, you've got a valuable source of information, a list of thing people want to do. Give them relevant ads related to their todo list and you'll get a much higher click-through rate than usual. People are in an "action" mode when going through thier todo list, take advantage of that !