Books by Philip Kortum

Philip Kortum

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Why Are Things So Hard To Use?

Why Are Things So Hard To Use?

Learning From Design Failures

Philip Kortum

Paperback

Published: 2026

39.99 £39.99

Why Are Things So Hard To Use?

Why Are Things So Hard To Use?

Learning From Design Failures

Philip Kortum

HardCover

Published: 2026

83.99 £83.99 0%