South Korea's online shopping sales reached a record high of 25.58 trillion KRW in March, a 13.3% year-over-year increase, driven significantly by a surge in Tesla vehicle purchases. Separately, Doubao is exploring paid services for complex tasks like PPT generation and data analysis, which require more computational resources, while continuing to offer free services for everyday use. This move comes as AI models face challenges with Chinese language processing, which is less efficient than English in terms of token usage. AI
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IMPACT Doubao's exploration of paid services for complex AI tasks may signal a shift towards tiered access based on computational needs.
RANK_REASON The cluster contains a mix of news items, including a product exploring paid features and a discussion on AI model efficiency, but no single item qualifies for a higher tier.