Calling on people to gather in public in a short period of time can be achieved in the following ways： ### 1. **Social media** -**Platform selection**: Use popular social platforms such as WeChat, Weibo, Douyin, Kuaishou to publish information. -**Hashtags**: Create and promote related hashtags to increase exposure. -**Forwarding diffusion**: Encourage users to forward and use the fission effect of social networks to spread rapidly. ### 2. **Instant messaging tools** -**Group notifications**: Send notifications through instant messaging tools such as WeChat Group, QQ group, etc. -**Sharing in the circle of Friends**: Publish event information in the circle of friends and spread it with the help of a network of acquaintances. ### 3. **SMS/phone** -**Mass SMS**: Send event notifications through the SMS platform to ensure that the information reaches the user's mobile phone directly. -**Telephone notification**: For important activities, key personnel can be notified directly by phone. ### 4. **Offline promotion** -**Leaflet distribution**: Distribute leaflets in public places to quickly convey information. -**Poster posting**: Posters are posted in densely populated places such as communities, schools, shopping malls, etc. ### 5. **Media cooperation** -**Press release**: Contact local news media to publish event information and expand influence. -**Radio advertising**: Broadcast event advertisements on radio stations to cover a wider audience. ### 6. **Partner** -**Corporate cooperation**: Cooperate with related companies and use their resources and channels for publicity. -**Community organizations**: Contact community organizations, schools, associations, etc. to spread information through their internal networks. ### 7. **Online activities** -**Live preview**: Preview the event through the live broadcast platform to attract audience participation. -**Online interaction**: Conduct online interaction before the event to increase the sense of participation and expectation. ### 8. **Emergency notification system** -**Emergency broadcasting**: In case of emergency, use the emergency broadcasting system to issue notifications. -**Mobile phone alarm**: Emergency notifications are sent through the mobile phone alarm system to ensure that information is communicated quickly. ### 9. **Word-of-mouth communication** -**Word-of-mouth marketing**: Through word-of-mouth communication, use people's social relationships to quickly spread information. -**Opinion leaders**: Invite opinion leaders or Internet celebrities to participate and use their influence to call on more people to participate. ### 10. **Reward mechanism** -**Participation rewards**: Set up participation rewards, such as sweepstakes, gifts, etc., to motivate people to actively participate. -**Sharing rewards**: Participants are encouraged to share event information and give additional rewards. Through the combination of the above methods, people can be effectively called to gather in public in a short period of time.