They say in life that the best ideas are the ones that seem blindingly obvious; so obvious, in fact, that you can’t understand why no-one’s thought of them before. For me, one such idea is ‘influencer marketing’. It’s a term that’s been increasingly bandied about this year, and is consequently being recognised as a highly potent tactic by B2B brands, although paradoxically, it refers to something that is as old as the hills. Something else in life that ‘they’ say, is that there’s nothing new under the sun – this too is certainly the case for influencer marketing. People have...