I remember Chris Garret mentioning in the Hive that if you want to add on to your social networks or get with the IN crowd, that it’s best to hang out at the watering holes where your audience is. Traffikd has published a great post which highlights 10 different niche social news sites that you should keep note of. These sites include:
Be sure to check out their article for the rest of the list. As Traffikd mentions, don’t submit content to these sites if it’s not related. You are doing that social news site and yourself a dis-service.
Last but not least, I just discovered another gem where Traffikd has a list of 400 different Social Media/Networking sites all categorized for your submitting pleasure. If you happen to gain any measurable success using any of those sites listed, come back and let us know about them!