Group 1 - The core event is the launch of the "Spring Festival 30 Billion Free Order" campaign by Qianwen, which allows users to order milk tea for free using AI, significantly boosting consumer engagement [3] - The campaign started on February 6 and will run until February 12, offering users a 25 yuan no-threshold free order card, with additional incentives for inviting new users [3] - The first day of the campaign saw a 7.3 times increase in Daily Active Users (DAU), reaching 58.48 million, surpassing competitors like Doubao [3] Group 2 - The campaign has led to a dramatic increase in online orders for participating tea brands, with some reporting order volumes nearly 10 times higher than the previous day, causing system crashes due to high traffic [3] - Qianwen's app reached the top of the Apple App Store's free app chart by February 10, with competitors Yuangbao and Doubao in second and third place respectively [3] - The second phase of the campaign will begin on February 13, offering cash red envelopes with a maximum value of 2888 yuan [3]

Group 1 - The core idea of the article revolves around the launch of the "Spring Festival 30 Billion Free Order" campaign by Qianwen, which aims to stimulate consumer spending through free vouchers for tea drinks and other purchases [3]. - The campaign started on February 6 and is set to run until February 12, offering users a 25 yuan no-threshold free order card upon updating the Qianwen app [3]. - The campaign has led to a significant increase in daily active users (DAU), with a 7.3 times growth on the first day, reaching 58.48 million DAU, surpassing competitors like Doubao [3]. Group 2 - The article mentions that participating tea brands experienced a surge in online orders, with some reporting order volumes increasing nearly tenfold compared to the previous day [3]. - Users can earn additional free order cards by inviting friends to download the app, with a maximum of 21 cards per person, and a chance to win a valuable AI lifestyle card [3]. - The second phase of the campaign will begin on February 13, where users can receive cash red envelopes, with the highest amount being 2888 yuan [3].