This is pretty good, from my ex-employer Fleishman Hillard.
Everyone likes graphics because they (usually) make things clearer. In this one, anything big and green in the centre is good, because it’s a nice, living social media presence. Anything red is bad, because it’s dead. The FH solution is simply to delete the dead stuff, but also they talk about envisioning your social media as one big distributed web. This is neat thinking, and powerfully puts across the concept of each social media presence being ‘for’ something, alongside other presences, rather than approaching them as separate, siloed presences with no real reason for existing. Pop over to Mashable and read the full article.