Back to the future: all the Windows 1.0 Commercials

A serious case of Nostalgia and weird tech marketing.

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Touch screen design: the ideal button size

An MIT Touch Lab study of Human Fingertips to investigate the Mechanics of Tactile Sense found that the average width of the index finger is 1.6 to 2 cm (16 – 20 mm) for most adults. This converts to 45 – 57 pixels, which is wider than what most mobile guidelines suggest.

1. Designing for 34 / 44 pixels touch target (Windows Phone UI Design and Interaction Guide and iPhone Human Interface Guidelines)

Touch target 34 px


2. Designing for 57 pixels touch target (ergonomically correct)

Touch target finger 57px


3. Designing for 72 pixels touch target (Thumb correct)

Touch target 72px