WPA is WiFi Protected Access - it's the most common method of encryption used to secure a wireless network. If you have a laptop or smartphone and you're trying to connect to a WiFi network, you'll usually need to enter a WPA key (or password) in order to connect to it.
In the live-action adaptations by Sir Peter Jackson, Sauron is portrayed by Benedict Cumberbatch in The Hobbit trilogy (who also portrays Smaug in the same trilogy) and was played by Sala Baker and voiced by Alan Howard in The Lord of the Rings trilogy.
Peter Vaughan, star of Game of Thrones, died Dec. 6 at age 93. Vaughan is best known for playing Maester Aemon Targaryen, mentor to Jon Snow and advisor to the Commander of the Night's Watch. Before Game of Thrones, Vaughan had a successful career in England collaborating with actors like Anthony Hopkins and Emma Thompson.