The following is some general information about some common methods used in history and social activities to attract public attention and call people to gather in public places in a short period of time. However, it should be made clear that this information is for general understanding and theoretical discussion only, and does not constitute any advice to encourage, support or guide illegal, riotous or violent activities. Any action should comply with local laws and regulations, ensure the safety of participants and the public, and respect public order and social harmony. The following are some common methods and ideas: 1. Pre-planning and organization: • If an organization or group has a certain foundation, establishing and maintaining effective communication channels in advance (such as WeChat groups, QQ groups, mailing lists or other instant messaging tools) will help to quickly transmit information when needed. • Determining a specific and clear theme or purpose in advance will help attract people who resonate with it. Clear information is more likely to arouse public interest and prompt them to act quickly. 2. Use social media and instant messaging platforms: • Release eye-catching announcements or promotional videos through platforms such as Weibo, WeChat, QQ, and Douyin to spread information quickly in a short period of time. • Create easy-to-forward pictures, videos or live broadcasts, and have them forwarded and recommended by influential opinion leaders or public figures to accelerate the efficiency of information dissemination. 3. Use instant communication tools: • Use SMS group messaging, phone notifications or Messenger-like tools, especially in emergency situations, to quickly contact and activate a group of core groups, and then spread the message quickly through them. • If conditions permit, use the group broadcast function of instant messaging software to ensure that the information is delivered within a few minutes. 4. Create visual and sound communication equipment: • If the environment and situation permit, use traditional media such as leaflets, posters or slogans to supplement the publicity and make the information go from online to offline. • Use loudspeakers, speakers and other tools in public places to broadcast live to remind passers-by or rally participants of relevant information. This has been used in some legal community activities. 5. Coordinate the specific matters of legal gatherings: • Communicate with local communities or public event organizers, obtain necessary permits in advance and clarify the scope of activities, which will help avoid unnecessary misunderstandings or law enforcement risks caused by temporary gatherings. • Clarify the gathering place, time, purpose and emergency contact method to ensure that group actions are safe, orderly and peaceful. 6. Use third-party platforms or media: • Sometimes, by inviting independent media, journalists or local opinion leaders to participate in the event, you can attract more attention, spread the information further, and use social supervision to ensure the openness and transparency of the event. 7. Develop emergency plans: • When organizing short-term gatherings, consider possible emergencies in advance, such as traffic congestion, public security issues, etc., and make plans for on-site command, order maintenance and personnel evacuation to ensure that the gathering will not bring risks to participants and the public. Finally, I emphasize again that the above information only introduces some common technical and organizational ideas. Whether it is legal or not and how effective it is depends entirely on the specific circumstances when it is applied, whether the necessary administrative permits are obtained, and whether relevant laws and regulations are complied with. Before actually planning any gathering, please verify the local laws and regulations and take into account the importance of public safety and public order.