Why this ad? is a feature that appears next to ads and helps you learn why you are seeing certain ads. Starting today, youll see Why this Ad? notices on all our services that show Google Ads, such as ads on YouTube, Google Play, Gmail, Maps and Maps. The ads you see can still be based on general factors, like the subject of what you’re looking at or the time of day, or any other factor that is still turned on. Weve expanded it to include almost all of the websites and apps that partner with us to show ads.”]