User interfaces
Phone calls differ from messages by their urgency. If someone is calling me unexpectedly, something must have gone wrong
It’s a bad scenario when QR codes are being scanned by a human. It’s a good one a human approaches a machine that scans his or her QR code

The Pigna Library happens to host events. There is a dedicated events block to get the readers to know about them
Almost anything can be easily revealed about any internet user. Why not use it to give authors a powerful way to contextualise what people read?
I have a document open as I’m printing it. Then, I catch a typo in a part which hasn’t been printed yet
How is a quasimode which lets me move my mouse without waking my computer up not a thing?

With iOS 12 being a booming success, it is a small step away from being ideal. Here are my wishes for iOS 13


Continuing my fascination with elevator control panels, here is an example of what should and shouldn’t be done when a building has many floors...