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I don't think the conversations are for sale.

Nope, probably free for the taking through an obscure, unsecured API endpoint/route.

Any case studies?

I once found a vulnerable API endpoint for a staffing company and ended up exporting their whole client database.

what we strongly believe, USDate web-scraped plenty of fish... already for a very long time. if you go on that site, you will see how easy it is.