Where do you get them? There are a few I'd like to join (Washington state forum, etc) but I have no clue where to get this password the site is asking me for. Any pointers?

Social groups aren't accessible via our mobile app, yet. We hope to add support within the next few months. Until then, please use your desktop browser to access social groups.

I didn't even know about those Phoenix. I was excited when I saw your post until I saw Alex's reply they they aren't available on the mobile app yet. That's all I use so ill have to wait until they are available I guess. Get on it Alex!