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RIM shares drop 5pc

SHARES in Research In Motion have dropped by more than 5pc after it sought to appease disgruntled BlackBerry customers by offering free apps and technical support to make up for last week's global smartphone outage.

Tens of millions of BlackBerry users were left without mobile email and other messaging for up to four days last week after a failure at a RIM data centre in England triggered a service disruption across five continents.