Amazon Knows What You Buy. And It’s Building a Big Ad Business From It. | NYT

Selling your shopping activity and transaction data to sell you more stuff...

"“Amazon has really straightforward database — they know what I buy,” said Daniel Knijnik, co-founder of Quartile Digital, an Amazon-focused ad agency that oversaw the ads for the clinics and retirement services. “For an advertiser, that’s a dream.”

Ads sold by Amazon, once a limited offering at the company, can now be considered a third major pillar of its business, along with e-commerce and cloud computing. Amazon’s advertising business is worth about $125 billion, more than Nike or IBM, Morgan Stanley estimates. At its core are ads placed on Amazon.com by makers of toilet paper or soap that want to appear near product search results on the site."

Amazon Knows What You Buy. And It’s Building a Big Ad Business From It. | NYT