Cold brew is often considered just a trendy cold coffee. However, behind this cup lies a long history dating back to the 17th century, unique extraction science, and significant business opportunities. In this video, I discuss cold brew from its roots in Japan, why it has a smoother and lower-acid taste, and why it's become a hit in Indonesia and a favorite in the modern coffee industry. For those of you who are coffee lovers, baristas, or those building coffee shops and RTD brands, this content will open a new perspective on cold coffee—not just about taste, but also about its future and the potential profits behind it. Watch until the end, and share your thoughts: team hot coffee or team cold brew?