Romney participated in the Hangout from South Carolina, where he is on the campaign trail and gave a speech earlier in the day. Doug Rohrbeck, executive producer for “Special Report," said he sought to inspire candidates to join Hangouts by reminding them they can participate from anywhere they have an Internet connection.

Saul said Romney recognizes the pace of new technology and is always looking for new ways to "engage everyday Americans," particularly through the Internet. "The Internet provides multiple platforms and opportunities for people to spend their time," Saul said.

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Romney said during the short Hangout, which lasted about 15 minutes, that his campaign would consider utilizing the platform in the future as a virtual town-hall format once he "make[s] sure there's more than three people tuned in."

The number of livestream viewers was not immediately available, but Rohrbeck said he considered it a "great success."

Rohrbeck said the three citizens who participated in the event were selected through the responses to the initial announcement posted on the "Special Report" Google+ page. Future Hangouts, like this one, will choose three citizens who demonstrate the interest, diversity and technical requirements to participate.

Fox News plans to hold several more Google+ Hangouts with other GOP presidential candidates in the lead-up to the 2012 election. Rohrbeck said invitations were sent to all the candidates to participate in Google+ Hangouts soon after launching the “Special Report” page on the platform. Romney, Newt Gingrich and Jon Huntsman “showed the most immediate interest,” he said.

Presidential hopeful Gary Johnson has also used Google+ to host Hangouts with his fans, part of his grassroots strategy while excluded from participating in official GOP debates due to low polling numbers.