Larry Magid
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Will RIM shake-up save the company?

The top management at the maker of Blackberry smartphones have stepped down.

Research In Motion (RIM) says both its co-CEOs and co-chairmen will make way for former Siemens executive Thorsten Heins.

The move was initiated by activist shareholders who wanted the phone maker to keep up with rivals.

Mike Lazaridis, who founded RIM in 1984, will become vice chairman whilst Jim Balsillie will continue to sit on the board but not have any operational role.

Larry Magid is a Technology Analyst at CBS News and he told the BBC he was "not optimistic" about the future of the company.

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