Field-tested by my team. Catchment overlap with our existing CRM was minimal — almost all net-new leads. Bought it for United Kingdom's las iguanas locations for united kingdom segment specifically. Decent value, would tighten one or two fields.
Thanks for the detailed review, the email/LinkedIn coverage you mentioned is on our list for the next pass. Drop a note via Help → Contact Support and we'll line up a fresh export for you.