'Like' button

'Like' button

BBC World Service

Facebook’s 'like' button is ubiquitous across the web. It’s how user data is collected, meaning adverts and newsfeeds can be targeted more effectiv... more

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What the Facebook "like" button says about you.

03:14 - 16:30

What the Facebook "like" button says about you.

03:14 - 16:30

What the Facebook "like" button says about you.

03:14 - 16:30