When writing software, *please* don't give error messages that are only meaningful to developers of the software. Microsoft used to be awful for this: "System fault at DEAD:BEEF, please contact your system administrator". Which would've been cool, except that I *was* the system administrator.
Bailey, Jeff. LiveJournal (2009). Articles>Human Computer Interaction>User Centered Design>User Experience
The Ever-Evolving Arrow: Universal Control Symbol
The arrow and its brethren are everywhere on our computer screens. For example, a quick examination of the Firefox 3.0 browser, shown in Figure 1 in its standard configuration, yields eight examples of arrows—Forward, Back, and Reload buttons, scroll bar controls, and drop-down menus that reveal search engine, history, and bookmark choices.
Follett, Jonathan. UXmatters (2009). Articles>User Interface>Human Computer Interaction>Graphic Design
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