MojoKid writes "Those satellites in space don't just take spy pictures. On this Black Friday 2010, they actually took pictures of you, and your rush to Black Friday shopping deals. The research is being done to see what consumer demand this year means for retail stocks. The trend, so far, has been favorable. The companies involved in this are Remote Sensing Metrics and Digital Globe. Remote Sensing Metrics is a Chicago-based consulting firm that analyzes the satellite imagery. In turn, it purchases those images from Colorado-based company Digital Globe, which operates its own satellites." Link to Original Source
Quantum Mechanics is a lovely introduction to Hilbert Spaces!
-- Overheard at last year's Archimedeans' Garden Party