 One of the law firms involved was also behind the lawsuits involving digital rights management on the Amazon Kindle, Spore, and the Sony rootkit.The Beacon affiliated companies were Blockbuster Inc., Fandango.com Inc, Hotwire Inc, STA Travel Inc, Overstock.com Inc, Zappos.com Inc, and GameFly Inc.The action was brought individually and on behalf of all Facebook users that had been affected by this service, and used it without their knowledge between November and December 2007.