2. Blitzscaling

From the rubble of the dot com crash, an ambitious young Harvard student with a passion for hacking and love of Roman emperors, sets up an exciting new website.

Mark Zuckerberg’s Facebook is an instant hit on college campuses.

Soon it attracts the attention of Silicon Valley’s most successful - but controversial - venture capitalist, Peter Thiel.

The company starts to scale up. But there’s one problem - how is it going to make money?

Contributors: Roger McNamee, author of Zucked: Waking up to the Facebook Catastrophe; journalist Owen Thomas; Eric Jackson, author of The Paypal Wars; Jeff Hammerbacher; Anil Dash, tech entrepreneur.

Producer: Caitlin Smith

Researchers: Rachael Fulton, Elizabeth Ann Duffy and Juliet Conway

Executive Producer: Peter McManus

Sound Design: Eloise Whitmore

Music: Jeremy Warmsley

Story Consultant: Kirsty Williams

Commissioning editor: Dan Clarke