We inhabit a world of frequency, where hidden codes, subliminal messages and logos and symbols (sigils) abound...if only you can see them.
Brian Eno's brief to write Microsoft Windows 95 startup music stated
that it must be universal, inspiring, sentimental, emotional etc. and
also exactly 3¼ seconds long. Why? Are there cultural codings preparing
us to be affected in specific ways and impacting on the overall Windows
experience. Microsoft wanted a piece of music to evoke the basic
experience of using their operating system, which meant, in essence, to
situate a user's emotional frame of reference within certain parameters.
and thereby develop a better relationship with their software.
full article here