If you are a fan of a specific K-Pop band, the network publicly displays that you watched their new video for 4 minutes and 12 seconds. Another user (a "spy") sees this data, predicts a trend, and buys merchandise futures on the integrated marketplace. You didn't hide; you acted publicly. And the spy won.
As decentralized networks scale, platforms will introduce stricter digital watermarking to preserve their core value: absolute exclusivity. public spy fansminecom exclusive social network new