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Video DEFCON 19: Cipherspaces/Darknets: An Overview Of Attack Strategies

Darknets/Cipherspaces such as Tor and I2P have been covered before in great detail.

DEFCON 19: Battery Firmware Hacking

Speaker: Charlie Miller Principal Research Consultant, Accuvant Labs Ever wonder how your laptop

How This 19-Year-Old Is Taking On Google

 He's an Israeli who sidestepped military service in favor of moving to the Bay Area to become Y Combinator's youngest founder. Six months later, all eyes are on Daniel Gross, as he has almost $5 million in funding backing his search engine, Greplin. Oh, and he didn’t go to college.

Read more at the source:
http://www.inc.com/articles/2011/03/how-19-year-old-daniel-gross-is-taking-on-google-with-greplin.html