OLPC Human Interface Guidelines/Design Fundamentals/Know Your Audience
Know Your Audience
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Young
Many of the children receiving laptops will be as young as five or six; others will be in their mid teenage years. Additionally, those that receive them at a young age will continue to use them throughout their education. Therefore, it is important to develop activities in ways that scale well across age levels.
International
The OLPC initiative, by its nature, requires international involvement and participation. Developers must keep in mind the broad range of cultures and languages that the laptops must transcend. In particular, activities should not depend on western icons and modes of thinking, but should abstract ideas to a level that would be familiar to humankind in general, where possible. For instance, consider the camera button on the keyboard. Though one might be inclined to label this key with a small image of a camera and lens, the eye graphic speaks directly to our human capacity for vision, providing a cross-cultural icon that represents the computer's ability to capture what it sees.