Chapter #29. Don't Use Obsolete Icons
For about 20 years, the "floppy diskette" icon has meant "save" and this connection still persists in UI across desktop and web apps. It was a great visual metaphor for a long time, but things have changed and many users under the age of 20 will have never laid eyes on a floppy disk.
Other examples include old telephones with handsets, curly cords and rotary dials; radio microphones from the 1950sand reeltoreel tape recorder icons to mean "voicemail".
Try to think about how the visual metaphors you use will work for different age groups, cultures and languages. Searching for the right visual metaphor for an icon is hard but rewarding, and your users will benefit from increased familiarity with your product. As designers, we're in need of a new standardized icon for "saving" (which these days means sending your data to a web-based service), rather than a removable or hard disk.