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EFF's software development and technology research projects aim to improve the rights of free expression, security, and privacy on the internet.

  • HTTPS Everywhere is a Firefox extension that makes Firefox use HTTPS to the greatest extent possible
  • The SSL Observatory is a view of the state of HTTPS deployment in the IPv4 address space
  • Switzerland detects violations of network neutrality
  • Panopticlick shows how easy it is to uniquely identify browsers
  • Privacy Badger blocks spying ads and invisible trackers.
  • Write to your representatives with democracy.io

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NSA Spying

EFF is leading the fight against the NSA's illegal mass surveillance program. Learn more about what the program is, how it works, and what you can do.

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It's #CopyrightWeek. Join us in the fight for a better copyright law by supporting 5 simple principles. https://www.eff.org/deeplinks...

Jan 16 @ 4:50pm

We celebrate MLK today, 50 years after FBI plotted to undermine him. Will surveillance be politicized again? https://www.eff.org/deeplinks...

Jan 16 @ 3:12pm

To #ReclaimMLK, learn FBI's role suppressing the civil rights movement. Could COINTELPRO happen again under Trump? https://www.eff.org/deeplinks...

Jan 16 @ 11:39am
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