Alcohol is a super important fermentation product that has led to the industrialization of fermentation. It has begun with wine, beer, and sake, but then become a vast industry at a large scale. Changes in the techniques of fermentation to produce better alcohols has produced new technologies for fermentation. Fermentation drives technology. It has made a jump out of alcohol into other kinds of products including chemical products. One of the most important things that we don't realize about microorganisms is that they are used to ferment feed stocks into byproducts. Those byproducts are things like alcohol or food additives, but also things like pharmaceutical drugs like we met last time