WordPress is a state-of-the-art semantic personal publishing platform with a focus on aesthetics, web standards, and usability. What a mouthful. WordPress is both free and priceless at the same time. More simply, WordPress is what you use when you want
NightShift automatically downloads and updates WebKit, the Safari HTML rendering engine, to the latest nightly version. No user intervention is required, everything is fully automated.
W. Gr&\#228;ther, and W. Prinz. GROUP '01: Proceedings of the 2001 International ACM SIGGROUP Conference on Supporting Group Work, page 252-259. New York, NY, USA, ACM Press, (2001)
R. Witte, Y. Zhang, and J. Rilling. 4th European Semantic Web Conference (ESWC 2007), 4519, page 37--52. Innsbruck, Austria, Springer-Verlag Berlin Heidelberg, (June 2007)