You can Google anything your heart desires, ask Siri almost anything and Shazam music wherever you are. But the way we see the world is still largely unsearchable. Blippar is making visual search a reality with an augmented reality app that turns cameras into search engines.

On your way to work, you spot an interesting article in the free paper, but the train pulls into your stop before you have time to finish reading it. But with the Peekster app, you can can the headline to bring up the digital version and save it for later, or share it.

Israeli start-up Awear Solutions is making awkward 'where did you get that bag?' interactions a thing of the past with an app that lets you scan strangers’ outfits on the go, taking you to the original purchase site. But given that it relies on brand and customer co-operation, does it have growth potential?

After years of speculation, Amazon finally announced the Fire Phone in June 2014, featuring stereoscopic glasses-free 3D. Its biggest talking point was Firefly – a visual and audio 'Shazam' that lets you buy whatever you scan directly from Amazon. But do people really want this?