The like button is celebrating its 15th birthday on Facebook, but are you truly aware of the impact it's had on your brain? A host of experts explain all. 

What 15 years of the like button has done to your brain

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Validation has changed how we go about our lives

We can’t rely on likes as a marker of legitimacy

Stylist Daily

Facebook’s like button is celebrating its 15th birthday, but are you aware of the impact it’s had on your brain and the way we all think? 

The surprising science of what the ‘like’ button has really done to your brain