• Pop-up vs. Pop-under: Researchers See No Difference by Kate Kaye

    What’s the difference between pop-unders and pop-ups? That depends on whom you ask. Online measurement and research firms see no difference at all. Ignoring this could prove detrimental to publishers and advertisers that run pop-ups (which load above the browser window) or pop-unders (which load behind the browser). ...Read the whole story

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