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We build privacy-respecting tools to access hard-to-reach data and empower public-interest investigations.

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WhatsApp Watch
Our WhatsApp Watch platform allows researchers to collect data from public WhatsApp groups to observe shifts in the information ecosystem in real-time. 
WhatsApp Trend Alert Tracker

WhatsApp Trend Alert Tracker explores coordinated social media campaigns conducted by political parties through WhatsApp groups in India during the 2024 elections.

Making the Political Personal: How The BJP Spread Their Message Through WhatsApp in an Indian Town
A case study on how India’s Bharatiya Janata Party used WhatsApp to spread their message in a small Indian town.
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Recent Outputs

A Journalist, a Murder, and the Pursuit of an Unfinished Investigation in India

02/22/2024
Cletus Grimes

How a video helped incite the murder of a prominent Bangalore journalist

02/22/2024
by
Emmie Dickens

WhatsApp Trend Alert Tracker

1/31/2025
Investigations

How We Monitored Trend Alerts on WhatsApp During the 2024 Indian General Elections

1/31/2025
Methodologies

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Digital Witness Lab is a program at the Center For Information Technology Policy (CITP) at Princeton University.
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