Before you listen to this BBC podcast, I'd like to introduce myself. My name's Stevie Middleton and I'm a BBC Commissioner for a load of sport podcasts. I'm lucky to do that at the BBC because I get to work with leading journalists, experienced pundits and the biggest sports stars. Together we bring you untold stories and fascinating insights straight from the player's mouths. But the best thing about doing this at the BBC is a unique access to the sporting world.

What that means is that we can bring you podcasts that create a real connection to dedicated sports fans across the UK.

So if you like this podcast, head over to BBC Sounds where you'll find plenty more.

Welcome to TechLife on the BBC World Service,

the programme about technology and how it affects all our lives.

I'm Graham Fraser.

This week, we are looking at a growing digital industry

which allows people to interact in a way

with the likeness or the voice of someone they cared about

who has passed away.

It involves AI chatbots.

We'll have more on this in a moment.

We'll be finding out about two tech solutions to the problem of food which goes to waste.

And later on, the challenge of making a Formula One car more friendly to the environment.

Music more friendly to the environment. We start this week's edition talking about subjects that can be a difficult listen.

We'll be discussing some issues around death and grief, one of the most challenging parts of life for us all wherever we live in the world. If that is something that's hard for you to listen to right now,

you might want to come back

to us in about five or six minutes time. That's because we're going to discuss grief tech.

Tech Life's Yasmin Morgan Griffiths has been looking into this forest. Hi Yasmin. Hi, Graham.

Now, how did you first hear about this area of tech? Well, first, let me play you this short clip from a woman called Christy.

If you had a chance to talk to someone that died that you love, would you take it?

I took it.

...