Explicitely cater to both groups
Commit to always having a beginner and a non-beginner talk
Socialize after meetups
Advanced people come
Beginners start to absorb things they wouldn't have otherwise!
That's a LOT of talks!
Share the work amongst 3+ co-organizers
(NYHUG started with 5, now has 7)
Maximize knowledge transfer by posting videos and slides
Looks a lot like knowledge transfer...people exchanging ideas
Less about talks, more about hacking
The word "hackathon" would be great, but recently it has become more associated with contests. :(
No agenda, people just get together for a day or weekend to talk / work on projects.
Expand your network and include organizers from outside your community
Go out of your way to have good relations with your venues