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HTC Hero

3 principles


HTC

Google Calendar's design principles

4 principles


Google

Tivo's Design Principles (ala 1998)

7 principles


TiVo

Six Characteristics of Good APIs

6 principles


Matthias Ettrich

iOS User Experience Guidelines

17 principles


Apple

IBM Design Principles

17 principles


IBM Design

GDS Design Principles

10 principles


Government Digital Service

Windows User Experience Design Principles

8 principles


Microsoft Developer

Ten things we know to be true

10 principles


Google

Facebook Design Principles

7 principles


Facebook Design

10 Usability Heuristics for User Interface Design

10 principles


Jakob Nielsen

20 Guiding Principles for Experience Design

20 principles


Whitney Hess

5 Guiding Principles for Experience Designers

5 principles


Whitney Hess

Design Principles for Windows Store apps

5 principles


Microsoft Developer

Ten Principles of Simplicity

10 principles


Jay Selway

Don Normans Principles of Design

6 principles


Don Norman

Eight Principles of Natural User Interfaces

8 principles


Rachel Hinman

Android Design Principles

17 principles


Android Developers

Ten principles for good design

10 principles


Dieter Rams

Principles and Patterns for Rich Interaction

6 principles


Bill Scott, Theresa Neil