PUBLIC MARKS with tags widget & "social network"

LinkedIn APIs Let your users bring LinkedIn profiles and networks with them to your site or application. You gain better awareness of your users, increase productive engagement, and gain reach through the 52 million professionals on LinkedIn.

Others Online is for people who want to increase their online visibility on a targeted basis. Simply register your Web page (blog, etc.) and indicate the keywords/tags that represent you, and we'll show you to others who share those interests or are looking at relevant pages, across the Web. You discover interesting people too!