The popularity of MashUps.... the API development of variations of the Google Maps pins etc. - has grown rapidly. Many of the serious developers have had to work within the ad delivery that Google offsets the expenses with... That is until Monday.
PushPin is launching their own assistance program - obviously for serious marketers at $1,600 a month. But it drops the ads and provides some dedicated support.
EWeek gives an overview but the future of this effort is worth watching.