Conversation and messaging-based interfaces are becoming the new norm in the post-app economy for next-generation mobile services, commerce and transactions. But why do some messaging services thrive when most don’t? Veteran Silicon Valley VC and Mayfield fund managing partner Tim Chang shares his investment thesis for re-inventing the interface for everything from offline services, shopping, healthcare, banking and finance, education, fitness, nutrition, to travel, enterprise apps, and IoT via messaging and chat. Along the way, he shares lessons learned from the most compelling mobile messaging services out there. Tim has been named one of Forbes/Midas top 100 venture capitalists in 2011 and 2012. More at http://www.mayfield.com/.