Sony protested, saying that the applications used proprietary and encrypted code. The Japanese company demanded the removal of the programs, along with details of Aibo's software protection.
The anonymous enthusiast has complied but insists that he never published any specific details of how to break the security of Sony's Memory Stick storage media, which stores the programs that define Aibo's behavior.
New Scientist reported that some figures in the robotics community are unhappy that Sony clamped down on efforts to customize Aibo. They believe that the community of Aibo hackers would have benefited from knowing how to successfully modify the dog's behavior.
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