approved: Confirmed from personal experience - I looked at a notification I recently received myself from Facebook, and it had a zero-pixel image whose source URL was "https://www.facebook.com/email_open_log_pic.php?mid=..."
This point seems wrong since it seems that there is no useful content.
DECLINED
Analysis has no content
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Previous Analysis: No changes recorded
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Previous Status: APPROVED
Updated Status: DECLINED
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Previous Status: PENDING
Updated Status: APPROVED
Previous Title:
Updated Title: tracking pixels used in service-to-user communication
Previous Analysis:
Updated Analysis: AH!
Previous Status:
Updated Status: PENDING