Everyone from Starbucks to Chinese giants wants in on the boba tea craze. Meet the family who says they started it all.

• Boba is shifting from a novelty fad to mainstream, with shops popping up across the world.
• The trend began in Taiwan in the 1980s where teahouse Chun Shui Tang was a pioneer of the beverage.
• Chun Shui Tang faces competition from Chinese brands but remains committed to quality and growth.

Once a novelty beverage, boba or bubble tea has moved into the mainstream.

It's an unexpected turn for Chui Shui Tang, the teahouse in Taiwan that says it pioneered the beverage in the 1980s.