Joseph Ratzinger must be very careful not to interfere or to answer the inevitable phone calls when his successor makes a move that appears different from the one he would have made.

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We are all besieged by unending phone calls, meetings, e-mails and text messages, with questions to answer, concerns to address, problems to solve and fires to put out big issues and small, planned sessions and surprises.

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With Bluetooth capability, you can use a discreet remote control to change volume, turn the device on and off, toggle between electronic devices, answer hands-free phone calls and stream music, sort of like having a miniature wireless headset in your ear.

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