Eat your heart out McDonalds. He put ice into the tea and served a new beverage. Not knowing what to do, they placed the whole bag into boiling water, and the tea bag was invented. The English Tetley Tea Company revolutionizes tea drinking around the world by introducing the paper tea bag. Nestle introduces instant tea mixes.
American hippies wandering in Nepal discover a wonderful, soothing milky tea drink called chai.
Of course, everyone in that neck of the woods has been drinking chai since the last millenium. Tea shops start springing up instead of coffee shops. You must consume two to three cups of tea for every one cup of coffee to receive the same amount of caffeine. The reason for this is that for a cup of tea fewer leaves are needed as compared to the amount of beans needed for a cup of coffee. And the amount caffeine in tea will depend on the plant type and where it's grown.