Social Gravity, Media Electromagnetism, and Dark Matter Data John V Willshire on May 23, 2013 listen to ‘Social Gravity, Media Electromagnetism, and Dark Matter Data’ on Audioboo Related posts Category: rivetings Post navigation Previous: Previous post: Are Brands Fracking The Social Web? – V2.0Next: Next post: It’s about what you don’t sell as well as what you do…