<p>Digital advertising has taken over the world. But is it all based on smoke and mirrors? Ed Butler investigates what some claim is a massive collective deception - a trillion dollar marketing pitch that simply does not deliver value to any of those paying for it. Do online ads actually work, or could it be that some of the biggest names in global tech - from Google to Facebook - are founded on a false prospectus?</p>

Digital advertising has taken over the world. But is it all based on smoke and mirrors? Ed Butler investigates what some claim is a massive collective deception - a trillion dollar marketing pitch that simply does not deliver value to any of those paying for it. Do online ads actually work, or could it be that some of the biggest names in global tech - from Google to Facebook - are founded on a false prospectus?

The advertising trap

<p>Hear the voices at the heart of global stories. Where curious minds can uncover hidden truths and make sense of the world. The best of documentary storytelling from the BBC World Service.
From China’s state-backed overseas spending, to on the road with Canada’s Sikh truckers, to the front line of the climate emergency, we go beyond the headlines.
Each week we dive into the minds of the world’s most creative people, take personal journeys into spirituality and connect people from across the globe to share how news stories are shaping their lives.</p>

Society & Culture

Documentary

Hear the voices at the heart of global stories. Where curious minds can uncover hidden truths and make sense of the world. The best of documentary storytelling from the BBC World Service. From China’s state-backed overseas spending, to on the road with Canada’s Sikh truckers, to the front line of the climate emergency, we go beyond the headlines. Each week we dive into the minds of the world’s most creative people, take personal journeys into spirituality and connect people from across the globe to share how news stories are shaping their lives.

Share The advertising trap

Sign up to save your podcasts

The advertising trap

The advertising trap

More shows like The Documentary Podcast

Global News Podcast

From Our Own Correspondent

Newshour

In Our Time

Witness History

The History Hour

6 Minute English

Learning English Conversations

The Interview

Lives Less Ordinary

Discovery

BBC Inside Science

Science Weekly

The Inquiry

The Audio Long Read

Unexpected Elements

Today in Focus

You're Dead to Me

The Missing Cryptoqueen

Americast

The Bomb

The Global Story