bluknight says that Skytalks will return to DEF CON 22: https://forum.defcon.org/showthread....l=1#post130072

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Originally posted by description
Back for a fifth blowout year, Skytalks are presentations (55-110 min) that are designed to overclock your brain with cutting edge information about sensitive topics that you might not be able to freely discuss or research from the privacy of your own home, workplace, or favorite con. (Facebook), (twitter), (site)