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Probably the last thing that Alexandria Ocasio-Cortez needs is a billboard to get her more attention or notoriety.

But there it was, on 42nd Street in Times Square, a digital attack ad that blamed the freshman Democratic congresswoman for Amazon’s decision to pull out of New York, taking with it 25,000 promised jobs.

“Thanks for Nothing, AOC!” the ad read, using Ms. Ocasio-Cortez’s initials that became ubiquitous even before she officially set foot in Congress.

The ad was paid for by a Texas-based group called the Job Creators Network. In the past, tax records show that the Mercer Family Foundation has funded what appears to be a related group, the Job Creators Alliance, also based in Addison, Tex.