"SeenThis?" will be opt-in, and can be added to a
users Wall Street Journal or Facebook homepage. It does not collect personally identifiable information about which people read which articles; it aggregates information on which articles are most
read by a users group of friends.
"SeenThis?" a variation of the same tactic deployed by ecommerce sites like Amazon.com, but with a social bent. The idea here is that "SeenThis?" gets existing readers to consume more content, but it also expands the Journal's reach by leveraging Facebook's user base. WSJ.com today becomes the first site to deploy the Loomia app, but NBC Universal and CNET have also signed up. According to the AP, both companies plan to display video and other material in addition to articles.