"Micro" is a brand new group mobile social application that can find a group of like-minded strangers around you, making your social life simple and exciting. Sina’s WeChat-like social IM product “Weimi” has quietly landed on the App Store. The IM product mentioned by Cao Guowei has been launched in the App Store. The product is named "Weimi" and was developed by Hangzhou Coolyue Technology invested by Sina. It focuses on group chat functions. After downloading and trying it from TechWeb, Micron’s features are mainly focused on group chat. Users can discover public groups around them, view popular group recommendations, and view group dynamics after joining. In the group public *** channel, users can create private chats and group channels, supporting voice, text, geographical location and other information. The keywords are group, social, interest, making friends, LBS, same city, chat, activity, friends, family.