When Gary Fox thinks back on the earliest episodes of the Entrepreneur Experiment, it’s hard not to be struck by how much it has changed. What started as a hobby, a side gig to his start-up at the time, has evolved into a one-man media business. The biggest marker of how much the podcast has changed night-and-day is reflected in the production and the presentation. Fox recalls an early episode with the founders of Gym+Coffee where he plopped his newly bought microphone on a table and just hit record, hoping for the best. “I remember listening back going oh my…