This message routing feature is only for personal messages between individuals in the U.S. In this test, the number of messages a person can have routed from their Other folder to their Inbox will be limited to a maximum of one per week.
Facebook recently clamped down on developers' ability to automatically post items on a user's wall and customize messages for people, and ran a test that limited how some developers can send alerts to members.
Most bulk mail programs used to manage mailing lists, promotions and other forms of electronic marketing have a test tool that will work out what chance the messages have of getting through industry-standard spam filters.
During a second phase, implemented simultaneously after receipt of warning messages, the authorities of the countries involved will test all the necessary steps to respond to a warning prior to alerting the public.
An IDEO team in New York built a series of live websites to test the appeal of the ideas to consumers and analyze the effectiveness of different marketing messages.