As the consumption model of digital media continues to evolve, personalized content recommendation has become a key way for users to obtain information. Perplexity Company is keeping up with the trend and is undergoing a major update to its Discover network to meet users' demand for diverse thematic content.The core of this update is the introduction of an expanded list of themes, which will allow users to customize their news sources based on their interests. "This is not just a simple update,"