What happens to your smartphone data -- and is it safe?

(CNN) -- This week, news out of the Middle East saw BlackBerry, the handheld communication device of choice in the corporate world, assailed on multiple fronts over a security problem.

Story highlights include:

• The BlackBerry controversy has highlighted how smartphone privacy works
• Many plans encrypt data, meaning it can't be deciphered if it's intercepted
• BlackBerry data is stored on a private server; others stored by mobile service providers

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