Enable users to share your website with LinkedIn's audience.
http://developer.linkedin.com/plugins
Widgets
Get access to data on 738,267 websites that are LinkedIn Share Plugin Customers. We know of 135,960 live websites using LinkedIn Share Plugin and an additional 602,307 sites that used LinkedIn Share Plugin historically and 88,780 websites in the United States.
Get a list of 738,267 websites using LinkedIn Share Plugin which includes location information, hosting data, contact details, 135,960 currently live websites and an additional 92,469 domains that redirect to sites in this list. 602,307 sites that used this technology previously and 88,780 websites in the United States currently using LinkedIn Share Plugin.