Innovations in Stratospheric Flight

In this edition we're trying to find out why some popular security and privacy services - known as VPNs - are disappearing from app stores in India.

Also on this week's Tech Life, we speak to the team behind a super-lightweight plane, powered by the sun's rays, that could be used like a steerable satellite.

And does talk of artificial intelligence make you worried about your job, or make you wonder what the future might hold ? Don't worry, it's not all gloom ! We hear from a historian who is taking a very long view of AI.

We’re always keen to hear from you. You can email us: techlife@bbc.co.uk, or send us a text message or voice note on Whatsapp: +44 330 1230 320.

Presenter: Zoe Kleinman Producer: Tom Quinn Editor: Monica Soriano

(Image: An illustration of Internet access via a VPN. A shield with the inscription VPN and a globe. Credit: Getty Images)