Espresso
Espresso has become widely regarded as the "greatest" way to drink coffee in the previous forty years. This is not true, because no brew technique is fundamentally superior to another, yet espresso is now the most popular coffee drink drunk outside of the home, and many cafés charge more for espresso than for a regular coffee.
Whether it's part of the increasingly popular Italian-style coffee culture or the Americanized, fast-food variant found in chain coffee shops around the world, espresso has …