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Our Work

Our Work

EFF at All Things Open 2022

EFF is excited to be back, in-person, at All Things Open 2022 for their ten year anniversary! Be sure to stop by and say hi at our member booth, where you can learn more about our latest work defending digital civil liberties or even start or renew an EFF...

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How Ad Tech Became Cop Spy Tech

If a company wants to advertise something to you on the internet, it first has to know who you are and what you like to buy. There are many different approaches to gathering this data, but all generally have one goal in common: they link you with the data generated...

Fog Data Science Puts our Fourth Amendment Rights up for Sale

The data broker selling people’s location data to any local, state, and federal agency willing to buy it is putting our Fourth Amendment rights at risk. EFF recently published its investigation into Fog Data Science, which claims in marketing materials sent to law enforcement that it has billions of location...

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