by George B. Thomas for Marketing Profs The best thing about humanizing your content, says content strategist Liz Murphy, is that there's no learning curve: You don't have to learn how to be human. PLAY NOW Listen to it later: Download the MP3 "Good news, if you're listening to this podcast, unless you are our prevalent Skynet AI overlords, you are already a human being," jokes Liz in Episode 544 of Marketing Smarts. "Congratulations, you did it, you have your human card, you're already there!" However, most of us overcorrect, to the point of stiff formality and tired catchphrases. "We go…