'It's that place of, you know, because it's your business and your livelihood, having to say, "Come and buy my thing because I'm great. I'm great at it. Look at me, look at all these great things I can do for my clients." And oh my goodness, that's difficult.'

Jenny Proctor is living proof that you don't need to shout to get the right kind of attention. It can feel pretty lonely, being an introvert in the famously extrovert environment of a corporate marketing department. But setting up her own business meant Jenny was free to set her own rules, and the fact that her book, Marketing for Introverts, won the Business Self Development Book of the Year award is proof that her approach is welcomed by others, too.

Whether it's the quiet power of a well-crafted blog post or the paradoxically introvert-friendly nature of video marketing, Jenny's insights on how introverts can rewrite the marketing rules are as practical as they are reassuring.

I'm an off-the-scale extrovert, and we discovered, hilariously, that we have at times both secretly envied the other's MBTI profile. But whether you're an introvert, an extrovert, or something in between, you'll find something worth listening to in this episode.

Lowering the steaks: a Mercosur deal at last