iiMedia

The provided articles do not mention iiMedia. Therefore, it's impossible to provide a summary about them based on the given information. The articles primarily focus on Baidu's expansion into AI-driven services and its efforts to compete globally with a Wikipedia challenger and a new AI-focused business unit. They also cover PDD Holdings, specifically a subsidiary being fined for tax violations in China. These events highlight the competitive landscape of the Chinese tech industry, the increasing focus on AI development, and the regulatory scrutiny faced by e-commerce companies.