Apple is no longer restricting Mac OS X betas to paying developers. Anyone with an Apple ID (which is, let’s face it, essentially every Apple user at this point) can now sign up for the OS X Beta Seed Program to test unreleased versions of the operating system. You have to agree to Apple’s OS X Beta Seed and Confidentiality Agreement and install the Beta Access Utility to view betas in the Mac App Store. After WWDC, we’ll see if this applies to major releases of OS X, or just minor updates.follow link
Set Time Zone Automatically in Snow Leopard
Frequent travelers may be interested to know that in Snow Leopard your time zone can now be set automatically by bringing up the Date & Time preference pane, clicking the Time Zone view, and selecting Set Time Zone Automatically. A progress spinner appears while Snow Leopard sends off information about the Wi-Fi signals in your vicinity and receives location data back.
Apple Opens Mac OS X Betas to All