Vote for unsung Twitter voices

Cast your vote for the non-celebrity Twitter users who have done most to change the world

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The Independent Online

Today, in conjunction with the online social influence monitor PeerIndex, The Independent launches a search for 2011's most influential, non-celebrity voices on Twitter.

After a year in which the social networking medium has played a crucial role in promoting public awareness of important news stories – from the Arab spring to super-injunctions, the August riots to the death of Osama bin Laden - we believe that it is time to honour the otherwise unsung voices whose tweets have both described and set the national and international news agenda.

To take part in this search, go to  and follow the instructions to nominate for the ordinary tweeters who have influenced you most this year.

Voters can nominate their top sources in eight categories including news, business, celebrity, arts and technology. Nominations close at midnight on Tuesday 13th December.

PeerIndex will analyse the nominations and apply their proprietary technology (which measures influence through a variety of measures such as levels of retweeting and the degree of authority that Twitter users ascribe to individual tweeters) to identify the leading voices in each category.

Results will be published in the Independent before Christmas.