Click makes its way to this year's Mobile World Congress to check out the latest mobile tech coming out of Barcelona. But with so many big company releases being smartphones with slight improvements from the year before, is there a lack of innovation... (more) in the industry or are there some hidden gems? Click also explores how 5G networks are being utilised - by beaming real-time information from dogs in mountain rescue. And finally, the brains behind the stunning visual effects of The Matrix Resurrections.