If you forget what you know, what is it?Ian Hosking
What are these icons? Binoculars? Rollers? Two circles occluding a horizontal line? Or voicemail icon on a mobile phone?
A useful aide-mémoire when designing for inclusion, diversity or difference. You are not your user!
Likewise working with unvalidated pictograms and icons, whether using legacy metaphor, like this icon for a tape-recorder, or otherwise.
From an HCID Open Day talk by Ian Hosking.