Ran the CSV through our deduper first. Bounce rate stayed under 4% on a 1,000-contact email send. Bought it as the seed list for a gymboree store locations outbound push in United States. Wished a few smaller towns had been included.
Appreciate the write-up, the email/LinkedIn coverage you mentioned is on our list for the next pass. If you want the gaps fixed sooner than the next refresh, open a support ticket and we'll spin a one-off pull.