Talk:Billboard hacking

EL suitability

 * https://www.defcon.org/images/defcon-16/dc16-presentations/defcon-16-tottenkoph-rev-philosopher.pdf

Thoughts? Anna Frodesiak (talk) 22:38, 6 May 2016 (UTC)

Another similar article
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Anna Frodesiak (talk) 22:42, 23 March 2018 (UTC)