Loaded the file the morning we got it. Catchment overlap with our existing CRM was minimal — almost all net-new leads. Bought it while planning a gift shop campaign in Poland. No complaints from the field reps.
Did the job for our campaign. Dedup pass only flagged 1.2% — cleanest dataset I've worked with. Bought it as part of a wider gift shop expansion into Poland. One column I'd add next refresh: secondary email.