Is Sierra Leone's diamond industry under threat?

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  This BBC podcast is supported by ads outside the UK.

• 00:05

  Today's episode is sponsored by Smart Travel, a podcast from Nerd Wallet.

• 00:10

  You know that one friend who always finds the best travel deals,

• 00:14

  picks the right credit cards and somehow ends up in first class for the price of coach?

• 00:18

  Smart Travel is like that friend, but in podcast form.

• 00:22

  NerdWallet's travel journalists sort out what 's worth paying for,

• 00:25

  from lounge access to travel advisors to hotel loyalty programs.

• 00:29

  Make your travel dollars work harder.

• 00:31

  Follow Smart Travel on your favourite podcast app.

• 00:34

  Ever invest in something that seemed incredible at first, but didn't live up to the hype?

• 00:39

  Like those $5 roses at a gas station.

• 00:41

  Or a second-hand piece of technology that breaks in the first 10 minutes?

• 00:46

  Marketers know that feeling.

• 00:48

  We optimize for the numbers that look great, impressions, reach and reacts.

• 00:53

  But when they don't show revenue, well, that's a not so great conversation with the CFO.

• 00:59

  LinkedIn has a word for that, bull spend.

• 01:03

  Now you can invest in what looks good to your CFO.

• 01:07

  LinkedIn ads generates the highest ROAS of all major ad networks.

• 01:10

  You'll reach the right buyers because you can target by company, industry, job title and more.

• 01:17

  So cut the bull spend.

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