I recently spent some time talking to Sarah Morales of Vertical Measures to discuss the new Engage and we wound up having a fun and in-depth conversation that I felts was also worth sharing with you here. Sarah: This is the updated version of the book that championed, “Engage or Die!” What are the main events in social media that have occurred since the last version? Me: The difference between Engage 1 and Engage 2 is less about events or…