<p>The top 100 charities have now amassed seven million followers on Facebook, compared to 3.5 million a year ago. Photograph: Karen Bleier/AFP/Getty Images</p><p>What could not-for-profits be capable of achieving if they had free access to over 12 million connected and engaged people? That's the number of social media savvy follows, subscribers and likes the top 100 social</p><p>charities are getting in the UK today, according to the second annual Social Charity Index.</p><p>The figure's doubled since the first Social Charity study was done, 12 months ago. The top 100 charities have now amassed 3.7 million followers on Twitter between them, up from two million last year, and on Facebook they have seven million followers compared to 3.5 million a year ago. Charities even attract over a million supporters on Google+. But what can they do with them?</p><p><a href="http://www.guardian.co.uk/voluntary-sector-network/2012/sep/24/social-charity-index-engaged">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.business2community.com/social-media/reporting-social-media-roi-to-management-webinar-0286572">Reporting Social Media ROI to Management [Webinar]</a> (Business 2 Community)</p><p><a href="http://www.fundraising.co.uk/news/2012/09/24/charities-have-doubled-social-media-engagement-year-says-report">Charities have doubled social media engagement in a year, says report</a> (UK Fundraising)</p><p>Explore: <a href="http://news.google.com/news/more?pz=1&ned=us&ncl=dvt64pWgBKO1GFMsl1TS6bEf2w4PM">9 additional articles.</a></p>