Group 1 - The core viewpoint of the article is the launch of Douyin's new "private message" product and "AI on-demand" intelligent solutions aimed at enhancing customer acquisition and service efficiency for businesses [1] - The "private message" business has seen significant growth over the past year, with a user increase of 34% and a conversation volume increase of 25% [1] - Over 90% of lead businesses are currently utilizing the "private message" feature, which has become a primary channel for industries such as automotive and home furnishings [1] Group 2 - The new "private message acquisition" model is designed to help lead-based businesses expand their customer base and improve the quality of customer resources [1] - The "AI on-demand" solution aims to enhance the efficiency of business reception, indicating a focus on technological integration in customer service [1]