Google sounds like a very large power of 10, as named by a 9 year old.
Add 'ogle' and 'goggle' to your vocabulary.
Yahoo sounds like a rude degenerate person who flings poo from a tree.
Yahoo(ooo...) is
an exclamation of delight. Perhaps it is more well known in the USA. We used to yell it as kids before or after we did some exciting thing such as jump off buildings. The British and Americans diverge on language in some cases, and I believe we (Americans) created the internet.
P.S. I been regularly eating blueberries for the past week and seems to make my health excellent. They are apparently a very powerful anti-oxidant and aid mental function.