Customization tools must be simple-to-use, easy-to-find, and easily edited, with both a clear intent and a clear benefit to users.| Nielsen Norman Group
ヤコブ・ニールセンのインタラクションデザインのための一般的な原則。これらの原則は幅広い経験則であり、具体的なユーザビリティガイドラインではないため、「ヒューリスティックス」という。| U-Site
Well-designed personalization carefully considers the creation of roles or types, ensures content is available for roles, and retains user control over the experience.| Nielsen Norman Group
Among high-legibility fonts, a study found 35% difference in reading speeds between the best and the worst. People read 11% slower for every 20 years they age.| Nielsen Norman Group