Harry Potter meets Hong Kong pop culture in viral Instagram posts powered by ADHD

For Kenneth Lee, his attention-deficit/hyperactivity disorder (ADHD) means he has always been interested in learning different things.
“I took visual arts and history, and I learned Photoshop just so I could personalise the cards for the online game Game of Heroes: Three Kingdoms,” recalls the 31-year-old product designer of his student days. (Three Kingdoms was an online card-strategy game popular in Hong Kong in the 2000s in which players were assigned a historical character that could be...