Magic Trackpad and Multi-Touch Trackpad Update
Magic Trackpad and Multi-Touch Trackpad Update 1.0 for Mac can be downloaded from our website for free. This free Mac app was originally produced by Apple Inc. The program is included in System Tools.
From the developer:
This update adds support to Mac OS X for the Magic Trackpad and is required for its use.
It also enables inertial scrolling and the three-finger drag gesture in recent MacBook and MacBook Pro notebooks. Mac OS X 10.6.4 is required before installing this update.
You may want to check out more software for Mac, such as Trackpad Magic, Shape Magic or Vector Magic, which might be related to Magic Trackpad and Multi-Touch Trackpad Update.