A look back at Click's visit to the 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 in the industry, or are there some hidden gems?Also, Click explores how 5G networks are being utilised, by beaming real-time information from dogs in mountain rescue. And finally, we speak to the brains behind the stunning visual effects of The Matrix Resurrections.