The Meetup platform announces new groups to members who have expressed interest in a certain range of topics. If you are an organizer, is that all you will have to do to get the word out about your group? Chances is that is not going to be enough to get people to join the group and be active. There are other steps you will have to take.
Share information about your group on social media. Use keywords and phrases to attract friends or their contacts on your social sites. Use hashtags to be searchable by new people. Use groups on sites like LinkedIn and Facebook to distribute information about future activity about the group. Tag appropriate collaborators.
Be found on Search Engines. Meetup has a strong presence on the web. use this to your advantage. Use keywords on titles,descriptions, and location indicators to show up higher on a search.
Cross promote with others that serve the same audience. Share your group details at community spaces that make sense like the location where you will be meeting, libraries, and co-working spaces. Be sure to get permission.
Ask your active members to help spread the word. Have your active members help spread the word about your group. Take many pictures and let attendees know where they will be posted. Share exciting news about the group.
Invite friends and colleagues that may be interested in the group. Don’t forget the people you already know and ask them to invite others.