Leopard Behavior: Understanding 24-Hour Activity Patterns


Apple has unveiled a new feature called Stacks, a series of collapsible icons located on the Dock, designed to enhance user interface efficiency by expanding to reveal additional icons.

Functionality Explained:

This feature is a modern take on the former “Piles” concept, where a single icon provides access to a multitude of applications and documents. However, Stacks aim to streamline how icons are displayed by relocating them from the Desktop to the Dock, thus minimizing desktop clutter. Traditionally, Desktops are littered with icons ranging from applications to miscellaneous files.

With the introduction of Leopard, these icons are neatly organized into the Dock. A simple click expands these icons across the Desktop in an orderly fashion, and another click neatly tucks them away, offering a cleaner, more organized desktop environment.

Moreover, Stacks are dynamic. Leopard includes two default stacks: Documents and Downloads.

The Downloads stack is particularly intuitive, automatically populating with files received through Safari, Mail, or iChat. This eliminates the need to save files to the Desktop and then sift through them. Instead, everything you need is accessible directly from the Dock, streamlining your workflow.

Potential Users:

Stacks is a universal tool expected to be embraced by all users.


Thomas is a dedicated writer for TUAW, bringing insightful news and updates about Apple products to readers. With a deep understanding of the Apple ecosystem, Thomas covers everything from the latest iPhone and iPad releases to MacBook innovations and Apple Watch features. His clear and engaging writing style helps readers stay informed about the tech world. Thomas’s expertise and enthusiasm for Apple products make him a valuable contributor to the TUAW team.