Yahoo! Design Pattern Library
Welcome! This library shares user interface patterns with the web design and development community. We've got 56 patterns today and more on the way, and we welcome your feedback.
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View the most recent patterns added to the library.
Provide a way for a user to display to other people (either the public, or their contacts, depending on the rules of the system) when they are available for contact and when not.
User needs to know at where they are in a multi-screen process (such as purchase or set-up).
Provide people with mini-stories about what their connections and others are doing on the net. People can also consume mini-stories on topics they are interested in.
A user needs to get more information about another participant in an online community without interrupting his or her current task.
Labeling stuff with Your reinforces the conversational dialogue. It is how another human being might address you when talking about your stuff.
Pattern Categories
Layout
Patterns for choosing page types, a grid, and standard page layout components.
Navigation
The user needs to locate content and features necessary to accomplish a task.
Selection
The user needs to choose an item from among several or otherwise specify information, such as a date range.
Rich Interaction
The user needs to interact with the interface and must therefore recognize any opportunities to do so and understand what is possible.
Social
User wants to associate, communicate, and interact with other people (such as friends, family, and colleagues) online.
Recent Blog Articles 
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First we take London: The Social Pattern Detective in Europe
Sat, 30 Jan 2010
Presence, the new social pattern category
Sun, 13 Dec 2009
Designing Social Interfaces - from Yahoo! Press and your friends at the Pattern Library
Sun, 04 Oct 2009
Design Patterns, Now More Open and Social
Thu, 20 Aug 2009
Come Hack Some Vocabularies at the Yahoo! Sunnyvale VoCamp
Thu, 14 May 2009
Yahoo! Forum Discussions
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Wed, 18 Nov 2009
Wed, 18 Nov 2009
UI Improvement: Subcategories Count and Visual Identity
Fri, 30 Oct 2009
UI Improvement: Subcategories Count and Visual Identity
Fri, 30 Oct 2009