500k_uhq_usa_combo_good_for_facebook,_zalando,_... Instant

: This suggests the list has been "cleaned" or tested (often via "cracking" tools) to ensure these specific credentials work for logging into major platforms like social media (Facebook) or e-commerce sites (Zalando). Common Use Cases

: Short for a Combo List . This is a text file containing pairs of usernames (or emails) and passwords, usually formatted as username:password or email:password . 500K_UHQ_USA_COMBO_GOOD_FOR_FACEBOOK,_ZALANDO,_...

: Some marketers use these lists to identify active users for targeted outreach, though this often borders on or crosses into spamming. : This suggests the list has been "cleaned"