The craft beer revolution continues to grow, but its poster child - the hoppy, bitter IPA - is giving way to new varieties that boast sweet, sour and even salty flavors. With so many different brewers making so many new brews, it can be difficult to predict where the next big trend will emerge.

To help us find out, we sat down with craft brewing expert Zach Mack, owner of East Village beer geek mecca ABC Beer Co. to discuss the state of the craft beer revolution, the emerging trend of community-supported brewers, and why there's still room in this world of lambics and saisons for a classic mainstream lager.