"Cookies" pop up at the bottom of the page. What's going on?

What's going on with the pop up's that are showing up at the bottom of the page in regards to cookies being saved or sold?
Been getting them on the A, B, C, E, body sites, on both my desktop, and laptop, computers.
I click on the don't sell the information, but they show up again, when i again log on, hours later.
Anyone else wonder what the heck is going on, and happening to?

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