How to Kiss? Who is God? What is love?

No. The title is not a cheap gimmick to attract readers. I am the last person on earth to fall for that. The title is very much relevant and as genuine.
Let me define 'Zeitgeist' first.

According to Wikipidea:

"ZEITGEIST is originally a German expression that means "the spirit (Geist) of the time (Zeit)".

According to Webster dictionary is :

" the general intellectual, moral, and cultural climate of an era "

Google has been following its business model and doing it well. But in the process of its search business, it is giving out a by product to humanity. It has been naively recording the needs of the people in general. When it realised that, it started organizing the records and the history to draw out valuable inferences. And with these valuable records, it knows what does a generation need? What does it crave for? What is humanity searching for in different periods of time?

Doesn't this give you an Aha! effect. It definitely gave me and I sat and reflected on it and then thought of posting it here.

With time, we would know how the human needs have evolved. How have their knowledge appetite changed? How have their needs varied?

Google is only 10 years old. Imagine in coming years, we would be able compare the ethos of a cohort of people, that spans generations in decades and not just years.

Google has its arm called the Google Zeitgeist which does just that. This service pulls together interesting search trends and patterns through its computing programs. The search statistics are automatically generated based on billions of searches conducted on Google.

In its 2007 Zeitgeist findings, the top three questions for Who, What and How were age old traditional questions, reinforcing the fact that everything else is transient.The Questions were:

Who is God? What is Love? How to Kiss?

http://www.google.com/intl/en/press/zeitgeist2007/mind.html