Mike Jempson, the director of the PressWise Trust, an independent body which helps people who have had problems with the press, says the system still favours the rich over the poor.

BBC: Battle to raise standards

Pentagon officials promised to press forward with plans for more tests of the system after an interceptor missile hit a dummy warhead over the Pacific Ocean on Saturday.

BBC: Russia and China sign friendship pact

The initial system of launch is invite only to members of the press, and will be tested with user feedback over time to gauge how to expand.

FORBES: Facebook Email Announcement: By the Numbers