Nokia ringtones teletext ads from 2001, recovered by the teletext archeologist.
Crop circles in Kansas, 2001. See hi-res image at NASA’s site.
The original emoji set, made by Shigetaka Kurita for DoCoMo in 1999 (top image, now in MOMA). The other images are from the 2001-version, which Monica recently turned into a font that you can use for free.
Good shading in this ASCII-conversion by Loxosceles in 2001.
Source code for converting text into ASCII stereograms. The source code itself is a also stereogram (cross your eyes to get 3D-effect).
Hermannn2 by Immanuel Hermann, 2001.