What Are Startups' Biggest Current Challenges?

We look at how tech and visas have freed some employees from their desktops, allowing them to continue their work from other parts of the world. They're called digital nomads.

Also in this edition: Shiona McCallum speaks to a victim of online bullying in Kenya, and finds out about a charity trying to help. And tech startups in Finland are turning to Slush.

Presenter: Shiona McCallum Producer: Tom Quinn

(Image: A photo of a laptop near a swimming pool on a sunny day. Credit: Getty Images)