微信可发金色朋友圈，教程来了！元宝宣布除夕追加100张万元现金“小马卡”；豆包将在春晚上发红包；千问免单延长至初一，除夕夜有红包雨

Group 1 - Tencent's Zhang Jun announced the launch of a feature allowing users to create "New Year greeting moments" in the Yuanbao app, which can be shared on WeChat to trigger interactions and potential red envelope rewards [1][14] - Yuanbao is giving away an additional 100 cash "Xiaomaka" worth 10,000 yuan each during the New Year period, with chances to win every hour from 4 PM to midnight on February 16 [14] - The app allows users to create and publish greeting moments, with certain text and comments displayed as emojis for a limited time, enhancing user engagement [8][11] Group 2 - The competition among major tech companies has intensified with the launch of various "AI red envelope battles" during the Spring Festival, indicating a trend in leveraging AI for promotional activities [14] - Qianwen announced a special red envelope event on February 15, offering exclusive red envelopes with a maximum value of 2,888 yuan, and a "Spring Festival free order" promotion extending until February 17 [14] - ByteDance's AI application Doubao is also participating by distributing New Year red envelopes and offering over 100,000 tech gifts during the live broadcast of the Spring Festival Gala [14]