Doc Searls has has written an essay on the interaction between Apple's new Safari browser and the KDE/KHTML open source development community that built the code on which Apple relied. Apple has released back a detailed log and the code changes they made, which should radically advance the overall KHTML project, too.
Meanwhile, Safari is the name for the O'Reilly searchable book database that you can subscribe to for access to hundreds of titles' full text -- a very handy reference tool. The logo has a little trademark symbol on it. How did Apple's lawyers miss this?