Activists have lauded King Salman's ruling, but gender equality remains a distant prospect.
The photo showed Saudi's former King Faisal signing a U.N. charter with the Star Wars character.
Without regulation, the use of cyberspace for attacks will contribute to an online arms race.
The man tried to reconcile with his wife by filling the classroom where she worked with sweets, flowers, balloons and gifts.
Riyadh police arrested the teenager for recordings with the American YouTuber.
The families of the 9/11 victims had long called for their release.
The Gulf state is supporting the Saudi-led coalition against Yemen's Shiite Houthi rebels.