The attorneys general of 48 out of the 50 US states have come together to challenge the control of the search giant over what we buy or view online.

Manuela Saragosa speaks to the BBC's technology correspondent Rory Cellan-Jones about why the US anti-trust authorities have decided to join their EU counterparts in taking on Google.

Jonathan Tepper, author of the new book The Myth of Capitalism: Monopolies and the Death of Competition, takes us through the history and significance of anti-trust legislation. But are anti-monopoly laws equipped to deal with the tech giants of today? And can these companies even be called monopolies? We'll also hear from Sally Hubbard of the Open Markets Institute, and Alex Moazed, co-author of the 2016 book Modern Monopolies.

(Picture: The Google logo displayed through a magnifying glass; Credit: Chesnot/Getty Images)