Usability: & "Feature Fatigue" (NPR story)

worth a listen:

Electronic Options Creating 'Feature Fatigue'

Weekend Edition - Saturday, March 11, 2006 · An ever-increasing array of bells and whistles on cell phones, digital cameras and car dashboards are confounding many customers. University of Maryland marketing professor Roland Rust talks to Susan Stamberg about the phenomenon.

See also
Thompson, Debora Viana, Rebecca Hamilton and Roland T. Rust, (2005), “Feature Fatigue: When Product Capabilities Become Too Much of a Good Thing,” Journal of Marketing Research, 42 (November), 431-442.
(pdf)