Marc Keys is a strength and conditioning coach with his own gym in Leith, Cast Iron Strength. On the podcast today, we talked about the good old days of blogging and Facebook, and how Marc has now moved to Instagram as a key way to promote his business. Marc has read so much about business and marketing that he has some really interesting insights to share. You can get links to his book recommendations and everything else we talked about today at the show notes at thewhin.co/podcast