AGPS has ALWAYS been active, it's how the e911 service works in case of an emergency and they need to locate you.
But the feature Live Search feature you are talking about is indeed new and was only announced yesterday by Sprint. It's also suppose to include voice recognition software that allows you to say "Coffee" and live search would pull up a listing for all the Coffee Shops near you.
Read more here:
http://www.news.com/2102-1039_3-6208...=st.util.print