This what Yahoo! has to say on how it interpreted user's search queries into meaningful top trends of this year.
To come up with the Top Trends of 2007, we analyze search queries based on a number of factors, including absolute volume and growth versus previous periods, to see which themes and trends bubble to the surface. And of course, individual users and their searches remain anonymous.
The trends are categorized into different groups such as Top News Stories, Top environmental topics, Top troubled celebrities, Top Technologies, Top tags used in Del.icio.us, etc.
The trends give a beautiful and a quick snapshot of important happenings and events of last year. That the beauty of taking the common consensus of the millions of people from around the world in a indirect way... their search queries.
There are some very interesting results from these trends. But I really want to post it separately because I want the topic of the post to convey quickly what I found interesting.