"Your application has been successfully reviewed. Now you need to create your first ad unit and place the ad code on http://sylvialeong.hubpages.com/ to fully activate your account. Note that before your account is fully activated, only blank ads will appear on your pages. Once your account is fully activated, you’ll receive a confirmation email and begin to see live ads." What is an ad unit? How do I know what my ad code is? Where do I place it on HP? I've always had live ads on my pages! Please help!!!
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