What's cooler than a few billion dollars985 Archives A trillion dollars.

And for Amazon, that milestone is in sight. The tech giant will eventually be worth $1 trillion, the financial services firm Barclays predicted.

"AMZN is likely to be one of the first trillion-dollar market cap companies; it's just a question of when, not if, in our view," analyst Ross Sandler wrote in a note to Barclays' clients.

SEE ALSO: Glimpse into Amazon's futuristic living spheres

The prediction came about because Barclays advised its investors to buy more of Amazon stock. In the near term, the firm predicted that Amazon would earn more than expected this year.

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Amazon's insane growth isn't due to people ordering books and diapers online. Prime has been a huge boost for Amazon, but quieter offerings like Amazon Web Services are key to Amazon's money-making potential.

SEE ALSO: Amazon's Alexa has mad skills. 10,000 of them, to be exact.

In the long term, that means trillions. Amazon could be "one of the first" companies to reach the trillion-dollar milestone — maybe even beating Apple, Alphabet and Facebook.

That's good news for the world's second richest person, who happens to be Amazon's CEO.

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