Wikipedia main page] on August 15, 2010 as viewed with a widescreen monitor.

Widescreen cinema
Foldable widescreen display
Video feedback in widescreen: A meta-analysis of family programs
Compatibility of widescreen and non-widescreen television transmissions
Evaluating User Expectations for Widescreen Content Layout
How much do people prefer widescreen (16*9) to standard NTSC (4*3)?
How much do people prefer widescreen (16×9) to standard NTSC (4×3)?
Video feedback in widescreen: A meta-analysis of family programs. Clinical Psychology Review, 28(6), 904-916
SYNCHRONIZATION SYSTEM FOR AN EXTENDED DEFINITION WIDESCREEN TELEVISION SIGNAL
The Cosmic Power of Sin in Paul's Letter to the Romans: Toward a Widescreen Edition