Invitations: you can get them because 1. it is a public event, 2. it is polite to include you since you are associated with the group or organization in question, 3. someone is interested in getting to know you better, 4. you have friends who want you there and you want to be there with friends.
You start off from one end and slowly get the other end.
To find out when those posts, and other life education writing, are released, subscribe on the side! Follow on Twitter, on Facebook, on Google+, on Tumblr.
Subscribe to receive more advice to improve your life! Follow on Twitter, on Facebook, on Tumblr.