...over the coming weeks we’ll be introducing a new ad experience we think is attractive for users of the new Google Maps embed. This new on-map design will allow relevant local businesses to connect with your users, similar to the ads you currently see in the new Google Maps and Google Maps for Mobile. As part of this release, we’ve also updated the Google Maps/Earth APIs Terms of Service to enable us to launch new APIs with advertising. Existing APIs and new APIs launched without advertising retain the requirement for Google to provide 90 days notice prior to including ads.Google Maps Embedding and New Ads To Roll Out [googlegeodevelopers.blogspot.com]