Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

When creating entries in a digital calendar for the first time an obvious action would be to color-code different kinds of events, perhaps by using a popup menu that has categories names and ...

Several versions of Microsoft Outlook ago, you could use color to identify appointments by quickly applying a category. Outlook no longer supports this feature, although, with a little roughhousing, ...