New Delhi, Nov. 13 -- In October, Polymarket, a cryptocurrency-based prediction market, slipped its brand into a fortune cookie. "Yes, we paid for a fortune cookie ad," read the message, alongside a QR code. This unusual ad has sparked a debate about where advertising belongs.

During a recent visit to San Francisco, where almost every possible space seemed to feature a technology ad, there was a dance workshop with K-pop choreographer Kyle Hanagami, hosted by Netic (an AI revenue engine), that I wanted to attend. Then there was the news that insurance startup Corgi reportedly tried to open over 100 cafes, but health authorities closed its Dogpatch SF outlet for operating without a valid health permit. Meanwhile Ramp, a corporate finance ...