Google has launched iPhone Application, a bundle of services specifically designed for iPhone allowing its users to easily switch between Google's great products.
Google has invested quite some effort in bringing their Best Of closer to iPhone users using the same tech gear as in GMail, Calendar or Reader – AJAX. The whole framework is highly optimized for Safari, iPhone's web browser. Indeed a huge acknowledgement of WebKit developers' work.
My Location Beta, one of the applications in a bundle, is another great product by Google that can locate you on Google Maps with or without GPS:
To get your hands on, point your iPhone to www.google.com.