http://en.wikipedia.org/wiki/Disruptive_technology
http://en.wikipedia.org/wiki/L._Ron_Hubbard
http://en.wikipedia.org/wiki/First_they_came…
http://en.wikipedia.org/wiki/Sildenafil
http://en.wikipedia.org/wiki/Men%27s_100_metres_world_record_progression
http://en.wikipedia.org/wiki/Xkcd
http://en.wikipedia.org/wiki/Baidu
http://en.wikipedia.org/wiki/Adele_(singer)
