Last week, the addictively simple social networking site Twitter announced that it would be adding the capability to selectively censor tweets based upon where the viewer appears to be sourcing from. Like most websites, when handed a properly acquired takedown notice they're pretty snappy about making certain things disappear (note that some of the taken down posts are reprinted in the takedown notices) but this is, as they say, a whole 'nother smoke. This change of policy means that if you post something that the government of a different country doesn't like (like this), they can request that Twitter make …

DISTRIBUTION: Washington, DC and surrounding areas. If you're outside of this area please boost the signal!

This weekend in Washington, DC as part of Digital Capital Week Broadband Bridge will be holding a Discovering Technology fair so that people active in the local community can exchange ideas, find out what has to be done, show off what they're working on, and build something great for the DC metroplex. The DiscoTech is a free event which starts at 12:00pm on Saturday, 5 November 2011 and will run until 5:00pm at Bread For the City (1525 7th Street NW, Washington …

On Saturday, 8 October 2011 I will be at HacDC giving an impromptu class on personal privacy, online anonymity, and operational security for activists. I will be talking about some of the online surveillance technologies in use right now, risks inherent in organizing online and how to mitigate them, practical cryptography, practical anonymity, and operational security. If you are not familiar with using PGP or GnuPG and would like to generate and distribute a key or learn how to send and receive encrypted and signed e-mail, I can walk you through the process during the class. I will probably be …