https://en.wikipedia.org/wiki/Cicada_3301
https://www.fastcompany.com/3025785/meet-the-man-who-solved-the-mysterious-cicada-3301-puzzle
http://www.nytimes.com/2009/03/29/technology/29spy.html
http://www.nytimes.com/imagepages/2009/03/28/technology/20090329_SPY_GRAPHIC.html
https://www.wired.com/2006/06/ufo-hacker-tells-what-he-found/
https://en.wikipedia.org/wiki/11B-X-1371
https://www.dailydot.com/debug/11b-x-1371-11b-3-1369-parker-wright/
http://www.dirgemag.com/lake-city-quiet-pills-internets-biggest-unsolved-mystery/
https://www.reddit.com/r/RBI/comments/1zqz0t/lake_city_quiet_pills_strange_reddit_mystery_that/
https://en.wikipedia.org/wiki/Bitcoin
http://www.urbanghostsmedia.com/2015/06/weird-internet-mysteries-telecommunication-legends/
https://www.reddit.com/r/bestof/comments/dhs1y/there_are_4070_comments_in_this_thread_i_have_no/c10c7k3/
https://www.reddit.com/r/gaming/comments/d0pe4/ubisoft_goes_steamworks_bye_bye_always_on_drm/?sort=old
http://i.imgur.com/xUjyb.jpg
https://www.reddit.com/r/Solving_A858/comments/54tnc8/some_closure/
https://www.bustle.com/articles/121401-5-creepy-unsolved-internet-mysteries-that-still-freak-me-out