MWC fails: Gadgets that never made it

The Motorola Backflip never got the attention it was looking for after launching at MWC 2010. Slider phones and slim, sleeker devices forged ahead and captured our attention instead.

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The Xperia Agent from Sony is still a concept. It was showcased at MWC 2017, yet you still cannot buy this cool looking device. Users could give this virtual assistant voice commands to connect it to their smart home devices.

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A quad-core Snapdragon processor powers the Runcible circular smartphone with a sustainable interchangeable back, announced at MWC 2015.

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The SmartEyeglass from Sony offered increased productivity, and reduced errors with its augmented reality solution. It also offered a transcription service converting speech into visible text. The product has now been discontinued.

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The Tethercell battery adapter was announced at MWC 2014. It allowed users to connect to and control AA battery operated devices such as baby monitors and TV remote controls from their mobile phones. It's currently unavailable.

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First seen at MWC 2015, these retro-reflective glasses from AVG make it difficult for facial recognition technologies to capture users' identities when they are out and about.

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MWC: The best and worst of the past five years