Craft beer, microbrewery, small brewery, IPA, IBU, gypsy brew, surface and secondary fermentation – these are just a small selection of keywords that have been heard more and more often among serious beer enthusiasts in the last few years. Today, new small breweries still account for less than a few percent of the total market, and the topics related to them are so frequent on the lips of enthusiasts and in the wider media that a legitimate question arises: what is it all about? “Beer Revolution” does not provide direct answers, but it offers a kaleidoscopic overview of craft beer producers, sellers and consumers in Estonia in 2015.