Halliburton switching from BlackBerry to Apple

More bad news for BlackBerry maker Research in Motion, with a major corporate client revealing they are switching from BlackBerry to Apple iOS.

According to Appleinsider, energy company Halliburton have announced they will phase out BlackBerry devices across their entire global workforce over the next 12 months.

Halliburton have been a major corporate client for RIM over the past decade, employing nearly 70,000 staff in 70 countries.

The latest news comes less than a month after former co-chief executives Jim Balsillie and Mike Lazaridis dramatically resigned from the company.