LinkedIn users will find many active discussions in WordPress related groups. Here’s a sample list:
- WordPress
- WordPress Experts
- SEO for WordPress
- WordCamp
- WordPress lovers
WPMU Dev
If you want to view some videos on getting started with WordPress you can try the premium site for WordPress Multisite: WPMU dev
WordPress Lovers
There’s a WordPress Lovers LinkedIn group started by Rob Steele and a website that’s not quite there yet. http://www.wordpresslovers.co.uk