Reddit is the best social news community for graphic designers. Reddit covers all most every subject and there a large community of graphic designers and web designers share their design user experience UX, tips and the latest UI design trend.
Here is a list of top 10 subreddits for UI & UX designers. Each subreddits comes with a different community, but you can find useful information, design ideas or advice from other designers. Take a look and find something new.