Apple UI designers have learned how to grab the user's attention using a classic physical animation technique called squash and stretch. Think of a cartoon nose squishing exaggeratedly as it bumps into a wall, then going pop! as it pulls away—that’s squash and stretch. Animators have been using it for decades to give their drawn figures depth and weight As the newest Web 2.0 RIAs are getting more into what might be called cinematic, UI designers could do well to look to animation experts like apparently Apple has done. See the article below for more information.

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