Google Developer Day 2007 - Map Slides
Reference Links for the main features that were unveiled from Google Developer Day 2007 in London.
Yes there is Adsense Code for Google Maps API but is not available until the 2.82 version of the API.
Google Maps API Adsense
Source: Mapperz (N95)
Driving Directions now available in Google Maps API
(though does not support UK driving directions thus far)