1. Types of Coffee Beans
   1. Arabica
      1. The most commonly used bean, accounting for 60% of the world's coffee production.
      2. Smooth and complex, with a notable lack of bitterness.
   2. Robusta
      1. The second most popular bean, and instant coffee is generally comprised of 100% Robusta.
      2. Harsher, more bitter qualities.
   3. Liberica
      1. Almost exclusively produced in Malaysia.
      2. Inconsistent flavor, sometimes smoky and woody, sometimes floral, with a harsher finish.
2. Types of Coffee Roasts
   1. Light roast
      1. high levels of acidity and caffeine
   2. Medium roast
      1. Balanced flavor, aroma and acidity
   3. Dark roast
      1. Full-bodied and heavy with low-caffeine content and a faintly spicy flavor
   4. Extra dark roast
      1. Bitter, smoky, and bunt with the lowest caffeine of all
3. Types of Brewing Methods
   1. Drip
      1. The most common way to produce traditional black coffee.
   2. Pour Over
      1. A more refined way to make a stronger brew, dripping into a cup.
   3. Espresso
      1. Pressurized hot water passes through a filter containing finely ground, dark roasted beans. A concentrated shot.
   4. Cold Brew
      1. Coarsely ground coffee steeps in room temperature water for an extended period of time, resulting in a low-acidity, high-caffeine brew.