Husband visited website on his computer but I get marketing email on my phone?

I got a marketing email on my Gmail account from a store website thanking me for visiting their site. The thing is I have never been on the w ebsite before. However, I do know that it's the kind of website my husband would buy from. He was in the living room with me on his desktop computer and I asked him about it.

Sure enough, he had a tab open for that website and was just browsing their products. …

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