Episode 1 - Hannah Fry takes a look at the bank card, the digital key to accessing cash, and finds out how its extraordinary innovations have some surprising and sinister origins.

Episode 2 - Hannah tucks into the tech behind food delivery apps like Deliveroo and Just Eat, which are now used by 24 million people in the UK.

Episode 3 - Hannah delves into the inner workings of virtual assistants.

Episode 4 - Hannah discovers why innovations in meat packing almost derailed the electric car.

Episode 5 - Hannah finds out how 1970s car crashes helped us to count our steps, resulting in the rise of modern fitness trackers.

Episode 6 - Hannah visits eBay's authentication centre, where they are waging war against fake high-value trainers.

Available to view online. You will need your college email address and password.