I’ve been lurking, and recently posting, on Edd Dumbill‘s Google+ “community” discussion about “big data” since he set it up a few weeks ago (dunno if it’s a public group – G+ is opaque about these things – and I’m too lazy to find out). Dumbill works for O’Reilly Media, and helped popularise the term “big data” to describe a rather nebulous phenomenon of corporations and other entities using (some would say abusing) very large amounts data so as…