There are several great ways to follow the debate tonight online:
Romney Campaign
The Romney campaign will be using both Twitter and Tumblr for rapid response tonight. Follow @RomneyResponse on Twitter or check out https://romneyresponse.tumblr.com/.
Also check out https://debates.mittromney.com/ for additional debate fact checking and resources.
Use the hashtag #DenverDebate to have your comments appear in the Twitter debate feed, or follow the debate conversation on Twitter here: https://twitter.com/hashtag/debates
Local Politicos
The Denver Post is hosting what is clearly a free-for-all live chat, but prominent Colorado political operative Debbie Brown will be holding court for the conservatives. Check it out here.
Heritage Foundation
Heritage has several resources on their Foundry blog: https://blog.heritage.org/debate-2012/