Tread-mill work stations at the Google Hangout, Des Moines (photo by Lynn Sweet)

DES MOINES--Google is using the Iowa caucus to launch new election products for the 2012 campaign cycle, hosting the "Google Hangout" at the convention center here.

Google is rolling on "the digital campaign trail as we move towards election day," Google spokesman Samantha Smith said Tuesday.

The main Google Politics and Elections site

https://plus.google.com/114401727024677849167/posts

Google's news and YouTube activity tracker

http://google.com/elections/ed/us/trends

Caucus night results

http://google.com/elections/ed/us/results

Politics and Elections toolkit

Google.com.elections/toolkit