WordPress › Social Login, Social Sharing, Social Commenting and more! « WordPress Plugins
This is the best plugin for implementing Social Infrastructure and for capturing accurate user profile data gathered from social networks. Users can also run Social Analytics to better understand their userbase. This plugin is also compatible with WordPress’s multisite plugin.
LoginRadius is a Canadian Startup that offers Social Infrastructure to websites through its Software as a Service (SaaS). We are Canada’s Top 50 Startups and our service is being used by over 40,000 customers around the world. We are also partner with internet giants such as Mozilla, Microsoft, DynDNS, etc
via Delicious http://wordpress.org/plugins/loginradius-for-wordpress/