cylonlover (1921924) writes "Whether you're in the mood for a film with a happy ending or feeling more like a Machiavellian finale, the MyndPlay media player delivers what you want... by reading your mind. The system consists of an electroencephalograph (EEG) headset and accompanying software that allows the scenes and narrative of a MyndPlay film to change depending on how the viewer reacts to the story." Link to Original Source
Quantum Mechanics is a lovely introduction to Hilbert Spaces!
-- Overheard at last year's Archimedeans' Garden Party