The top leaders from the industry discuss how brokers and agents can prepare for the next five years.Glenn Kelman, CEO, Redfin , @glennkelmanPete Flint, Co-Founder and CEO, Trulia , @peteflintGreg Schwartz, COO, Zillow , @zillowforprosMorgan Brennan, Senior Real Estate Reporter, Forbes Media , @MorganLBrennanErrol Samuelson, Chief Strategy Officer, Move, Inc. ; President, Realtor.com, @errolsamuelson