LinkedIn Corp. on Monday plans to launch a new recommendations service that will allow the social network’s more than 80 million members to post reviews of products and services linked to their professional profiles.

Participation is free and voluntary for companies, which would need to set up company profile pages and add products to be reviewed before users could leave a recommendation. The program has some 30 participating companies at launch, including JetBlue, Liberty Mutual Insurance, Microsoft Corp. and Harvard Business School Executive Education. Get the full story »