Written by Alex Iskold and edited by Richard MacManus. This post looks at the main players in the Social News space, to try and identify their characteristics and understand the dynamics of the market. The sites we analyze are digg, Netscape, Newsvine, and Reddit. While there are many other social news sites around, a great number are clones and so we believe the above four represe in Public bookmarkswith aggregationaggregatorblogcgmcollaborativecommentscommunitycontentdiggmedianewsreviewsocialsocialmediawebweb2.0