As I sat along the streets of Hanoi one winter morning in January, observing the patrons at surrounding tables over a bowl of phở, I couldn’t help but notice a familiar sight. From the fragrant yellow teas in Vietnam to the thick sweet milk varieties of Bangkok and Jakarta, same same – to borrow a popular Thai catchphrase, communal tea drinking seems to be the common thread binding 600 million inhabitants who call Southeast Asia (“SEA”) home.