‘Non-fungible tokens’ are a kind of digital asset that can be bought and sold. They have captured the imagination of many artists. Art pieces can be given a digital identity as an NFT. However, they have also been used to successfully sell viral videos.

And hyper-reality meets traditional art in the form of opera. A new immersive experience has been pioneered by London’s Royal Opera House, placing the audience firmly in the centre of the production as our reporter Hannah Fisher discovered.

Which web browser do you use? Does it matter? Most browsers now rely on the same underlying technology, but Firefox is different. It's one of the favourites of computer engineers but has been losing market share. There are concerns that the growing sameness of browser technology could have a negative impact on the web. As Firefox relaunches we speak to their Senior Vice President Selena Deckelmann,

(Image: First NFT. Credit ImogenHeapxEndlesss)

The programme is presented by Gareth Mitchell with expert commentary from Bill Thompson.

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