The National Journal has a great article that features the work Winning Connections did with the League of Conservation Voters and other environmental groups during the 2010 campaign.

Political consultants say the results are far less visible than TV and radio ads—but may be more effective.  They can certainly give a lot more bang for the buck. They point to a microtargeting, data-profiling and telephone campaign used by the League of Conservation Voters and the strategy firm Winning Connections that targeted environmentally conscious voters in the 2010 Colorado Senate race, one of the closest in the country. Toward the end of the race, LCV invested heavily in microtargeted phone calls—a campaign for which the green groups won a “Pollie,” given this month by the National Association of Political Consultants.

You can read the whole thing here.