South Korean singer Psy’s Gangnam Style video has inspired legions of people to dance, rap and dress in wacky new ways. Gangnam Style also triggered David Lee’s entrepreneurial instincts. Last month, the San Francisco web developer threw together a Gangnam Style Halloween costume business in a matter of days. Lee’s site sells replicas of Psy’s most popular Gangnam Style outfit, including a blue tuxedo jacket (patterned after a jacket Lee found in a local thrift store) and Psy-style tuxedo shirts, bow ties and sunglasses.

I wrote a short profile of Lee and his race to be the first to market with a Gangnam Style costume. To read it, click through to Hyphen magazine’s blog.