There are several great ways to follow the debate tonight online:
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
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 has several resources on their Foundry blog: https://blog.heritage.org/debate-2012/