early adopter
US /ˈɜːrli əˈdɑːptər/
UK /ˈɜːrli əˈdɑːptər/
1.
a person who starts using a product or technology as soon as it becomes available
:
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As an early adopter, she was one of the first to buy the new smartphone.
•
Tech companies often target early adopters for feedback on their new products.