Facebook easily the most popular, not least amongst those of university age “Engage with potential young campaigners and donors via their own online social milieu”, says nfpSynergy’s Baker5 out of 6 (83%) of all 11-25 year olds use at least one social networking site, with Facebook easily the most popular - according to data out today. Significantly, those claiming regular involvement with charities, and those of university age, are especially likely to use such online media.