WTF is Up with the Tea Bag?

Legend says that brewing tea dates back to around 2737 BC, when tea leaves fell into water being boiled for Emperor Shennong of China. There does not appear to be any hard evidence of tea being discovered this way, but evidence we do have suggests that brewing tea did indeed likely start in China, first as part of a medicinal elixir. The first documented reference to this is found during the Shang…