Recording of this podcast is not perfect and has been shortened due to recording issue.

But it gives listeners a flavour of Ozone Project, the joint digital sales initiative between Guardian, News UK, Telegraph, and Reach. Interviewed are Hamish Nicklin, Guardian; Ben Walmsley, News UK & Paul de la Nougerede, Telegraph.

They discuss

-Ozone Project's data proposition

-How the tech works

-Why the Daily Mail are not part of it

-Which brands have signed up to date

-How it will try and clean up the digital supply chain

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Advertising boss Cilla Snowball tells us

-Why she chose to step down as boss of AMV BBDO

-That her successors are the right choice to replace her

-What she is doing next

-Whether she has experienced sexual harassment

-Views on gender pay gap

-What it means to be a Dame

John Hegarty- talking Christmas ads; JWT controversy: and the legacy of Martin Sorrell by johnreynolds

Media & Marketing podcast-VMLY&R European chief Jon Sharpe by johnreynolds

In this week's Media and Marketing podcast, host John Reynolds interviews Katie Vanenck-Smith, publisher of the slow news venture Tortoise Media.

Vanneck-Smith tells us

-Why she thinks Tortoise will be a success

-The business model behind Tortoise and the reason it's ad-free

-Reveals subscription targets

-Tells us why Google could make a good commercial partner for Tortoise

-Gives us her view on the current newspaper market

-Discusses sexual harrassment and tells us whether she has been subject to it

We also catch up with FT Media Editor Matthew Garrahan and David Billings, head of programmatic, Accenture Interactive at the recent AOP summit in London. In two short interviews, Garrahan talks Sorrell, journalism awards while Billings discusses the future of media agencies.

Media & Marketing podcast- CEO, And Rising; Managing Partner, Dentsu Aegis by johnreynolds

Media and Marketing podcast- AOP boss Richard Reeves; Daily Mail commercial boss Dominic Williams by johnreynolds

Media and Marketing podcast- Dennis CEO on sale to Exponent; Facebook and Google property deals by johnreynolds

Media and Marketing podcast-Ad veteran Peter Scott talks Be Heard; Sam Maloney, Essence, talks TV by johnreynolds

Media and Marketing podcast-MediaMonks founder; Johnston Press and Mediaforce by johnreynolds