I run a local data science focused tech meetup group here in Washington DC, and it's hard to beat the discoverability of meetup. We've tried diversifying over t

I run a local data science focused tech meetup group here in Washington DC, and it's hard to beat the discoverability of meetup. We've tried diversifying over the years, and it's hard to beat the discoverability of meetup. It's the opt-in digital equivalent of putting up fliers.