Social Media Optimization (SMO) is a concept that company marketing executives are now taking seriously. The viral marketing capabilities of social networks, platforms, and social sharing can have a dramatic effect on the overall content and search optimization process.

Ning has done a great job in balancing the right social networking features for people interested in creating social networks online. The Ning.com website allows users to create their own social networks for anything and set public or private permissions on each specific network.

Social media videos covering the social media industry and various social media tools.

Listal is a social networking member based platform for sharing lists and ratings. Member listings and ratings allow other members to get recommendations and find other listal members.

Upcoming (Upcoming.org) now owned by Yahoo is now a very popular site for event discovery and promotion. This new model of social event promotion with community niche and geographic networking is proving to be a great model for event management for all types of organizations that wish to promote their events.