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The best engineers and designers have a knack for creating gadgets and technologies that we didn't even know we needed. Remember for example how the palm personal organiser replaced the Filofax or old-fashioned diary? But what really gets Lucy Kellaway from the Financial Times going is the next big thing. It's called the 'Internet of Things' - where everyday objects have network connectivity, allowing them to send and receive data. Photo by Thomas Trutschel/Photothek via Getty Images