Why I’m obsessed with Facebook custom & lookalike audiences – and you should be too (if you are using Facebook ads in your business)

On Wednesday evening, I’m delivering my first ‘official’ training session on behalf of Facebook (it’s going to be at the British Library: tickets here). So I’ve been preparing my content and thinking about, from everything I learned at Facebook HQ, what, given I’ve got just an hour, are the most important things to tell other people so they…