The evolution of digital photo frames has followed a familiar pattern in the consumer technology industry.
First generation devices had a fixed amount of internal memory and had to be updated by plugging them into a PC, second generation devices supported expandable memory and were updated using plug-in flash memory cards and the latest generation can be updated wirelessly – using Bluetooth, WiFi or a cellular connection.



It was only in March that LivingSocial, the number two group buying site, 


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