In Tampa, a Google Media Lounge created in partnership with the search giant, "will serve as command headquarters for monitoring, engaging and building online community to amplify convention messages," its website said.

An online Conversation Room will also allow speakers to send messages and photos on Twitter and Facebook, or give interviews by Skype, before or after they actually address the convention.

The Democratic National Convention - whose Facebook page had three times as many "likes" as its Republican equivalent on Friday - has organized a "Tweetup" in the run-up to the Obama party's talkfest.

About the broadcaster:

CJ Henderson is a foreign expert for China Daily's online culture department. CJ is a graduate of the University of Sydney where she completed a Bachelors degree in Media and Communications, Government and International Relations, and American Studies. CJ has four years of experience working across media platforms, including work for 21st Century Newspapers in Beijing, and a variety of media in Australia and the US.

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