Green tea has been enjoyed in Japan for more than 1,000 years. It is available in many forms -- from thick matcha for the tea ceremony, to tea leaves for home brewing, to the ubiquitous bottled varieties. Over the past decade it has become renowned around the world for its potential health benefits and refined flavor. What are the latest Japanese green tea innovations wowing consumers, and how are producers making their products stand out? Our guests discuss the challenges facing Japan's tea culture.