A necessary (but not sufficient) condition is that the people who want to attend meetups can find out when and where they are happening. You might think this is obvious, but my local group requires a login in order to view its “public calendar”.
A necessary (but not sufficient) condition is that the people who want to attend meetups can find out when and where they are happening. You might think this is obvious, but my local group requires a login in order to view its “public calendar”.