They were dealing with trying to get people to have good user interface designs and so rather than doing it in code, they came up with these 3x5 cards.

Of course, observing people isn't the only way to begin designing an effective user interface.

JACK Audio Mastering interface

The interface

Interface

Interface

Tracing

Name

Invalid Playlist Please use valid track numbers, separated by commas.

Interface

Interface

User Interface

Interface...

Intercept

Units

Configure the indent width used when using the'Increase 'or'Decrease' indentation buttons on a paragraph. The lower the value, the more often the buttons will have to be pressed to gain the same indentation.

This lists files that will be installed on the Pilot during the next HotSync. Drag files here or use the Add button.

You meet the people. Nothing but the people.

Twitch's interface.

User friendly tabbed interface.

OFM User Interface

MythTV Frontend

The knetworkconf interface

The khelpcenter interface

The DCOP Interface

The kscd Interface

D Bus Interface

The ktimetracker interface

DBus Interface

KWeather Interfaces

The User Interface

Window Layout

Interface is connected

Network Interface

Network interface

Web Interface

p, li white space pre wrap Whether or not to use the HTTP proxy for webseed connections.

Enable interface

Disable interface

Debugger Not Ready

Configure Interface

Configure Interface...

Enable Interface

Disable Interface

IPMI interface