Safari now runs on OS X, Windows, and soon the iPhone.

It may be a relatively boring announcement for Mac users, but Safari on Windows is a big step toward Apple platformizing their web browser. The more people who use it the more web developers will write for it (which is a good thing for everyone, considering Web Kit, which Safari is based on, is the most standards-compliant of the major rendering engines). And the more sites that work in Safari, the more sites will work on the iPhone. Unlike a Mac, where I can run both Safari and Firefox, I won’t be able to switch to another browser on the iPhone (and probably any other web-enabled Apple device that’s not a Mac), so it’s important for Apple’s long-term device viability that Web Kit gets as broad support as possible.