The author reveals a continuum in materials, forms, symbols and imagery artists have employed over 1000s of years. She shows how contemporary art and prehistoric images are linked, with images of past times being 'overlaid' onto works of today's artists.

With their ability to solve problems in massive information distribution and processing, while keeping scaling costs low, overlay systems represent a rapidly growing area of R&D with important implications for the evolution of Internet architecture. Inspired by the author's articles on content based routing, Overlay Networks: Toward Information