There is a history behind these 6 letters. google first began in 1996 as a research project by Larry page and sergery brin. these 2 guys wanted a link that could search the world wide web. the word google was misspelling of the actual word googol which means ten raised to the power of a hundred. when they first started the first name for the search engine was back rub which was paying homage to the theory of back linking. the google project was very complex and consisted of many algorithms.