"We do not know why the system failed," BlackBerry CEO says of the data center crash that caused its biggest network outage.
RIM has failed to make public the cause of yesterday's huge BlackBerry outage, which hit many small businesses and consumers who rely on the service.
Users on all UK networks and in other countries are reporting an extensive data outage, cutting them off from e-mail, instant messaging and the web.
Airlines and airports will have to gear themselves up to support airline passengers demanding to use their smartphones to check-in online and get flight and airport gate information.
Articles by Antony Savvas