From Laughing Amigo:
It's a safe bet the rainbow color is a reference to Newton's prism experiment (and possibly the homosexual who is currently Apple's Chief Executive). What year is that said to have taken place?
My response: Logos have a great impact on our understanding and reception of products, and can provide subliminal messages as well. I do not doubt that many may have diabolic influences (many logos have clear free masonic influences, for example).
Some of the details are incorrect, though. Tim Cook, Apple's current chief executive, joined Apple in 1998, when the company was in decline. The rainbow logo was used from 1977 to 1998. At that time of its introduction, Steve Jobs and Steve Wozniak were in control of the fledgling company. The rainbow had nothing to do with Tim Cook.
As a side note, Steve Wozniak claimed that the price was selected because he liked repeating numbers, that the cost of $666.66 was one-third markup of the $500 wholesale cost, and that he was unaware of the Satanic nature of the number. It may seem far-fetched, especially the supposed ignorance of the number's meaning, but that is what he has publicly claimed.