The AI comment assistant 'Comment Robert' sweeps across various platforms, sparking excitement and frequently interacting with users. 'Comment Robert' updates its features to allow nested replies, increasing user interaction frequency. The AI robot remains active in comment sections, similar to Kuaishou's 'AI Xiao Kuai' and Bilibili's 'AI Video Assistant'. The AI comment assistant provides emotional support, bringing users a novel social experience. E-commerce platforms have also introduced AI technology, summarizing product reviews and offering purchase recommendations.