Is screen-time really so bad for you?

A new study says time in front of computers and phones might not be as bad as many people think. Plus, more and more of us are asking smart assistants for information. But did you realise that sometimes, a person might get to listen to what you say? And author Leander Kahney assesses whether Tim Cook has been as innovative a boss of Apple as his predecessor Steve Jobs. Presented by Rory Cellan-Jones, with BBC tech reporter Chris Fox, and special guest Charlotte Jee from the MIT Technology Review.

(Image: Young woman looking at her smartphone in bed, Credit: iStock / Getty Images Plus).