The Arab Spring and the ban on protests ignited the rebellion.
Limited rights, no right to protest, and very limited participation in government caused most frustrations.
People discuss reform and ideas over twitter and other social media.
Security forces dispersed a protest in the central Saudi Arabian city of Buraida and detained 18 women, 2013. http://www.amnesty.org/en/news/saudi-arabia-release-11-women-held-after-peaceful-protest-2013-01-08
A social media protest in Qatif. March 10, 2011 http://www.english.rfi.fr/middle-east/20110311-saudi-arabia-braces-protests