Peter-Paul Kock: Blink (QuirksBlog)
A great explanation of what Blink is and what it means
Safari Developer Library
Powered by the WebKit engine, Safari offers leading performance, compatibility, and a great set of built-in web development tools.
Ben Ward: Understand the Web
What 'the web' actually is, and why building desktop-class applications on it is not what it was built for.
The WebKit Open Source Project
"WebKit is an open source web browser engine. WebKit is also the name of the Mac OS X system framework version of the engine that's used by Safari, Dashboard, Mail, and many other OS X applications."