Explore a Black Hat conference talk that delves into the growing issue of intrusive watermarks in live video streaming services in China. Learn about the escalating conflict between service providers and users over visible watermarks that are becoming increasingly aggressive and obtrusive. Discover how these watermarks are impacting both content creators and viewers, taking up more screen space and diminishing the viewing experience. Examine the presentation by Wang Kang and Yi-Qun Hui, which addresses potential solutions and countermeasures to this problem. Gain insights into the technical and ethical considerations surrounding watermark cancellation techniques in the context of protecting user interests and viewing quality.