The search engines have become an integrated part of our lives. Each and every day billions of searches are made all over the world, reflecting stories of work and leisure, strife and passion, and the interests of millions of Internet searchers.

If you could tap into this enormous amount of data, you could draw maps of fashion, cultural trends, political shifts and anything people are concerned about right now.

The search engine databases are kept under lock and key. The search engine companies hate the thought of loosing the trust of their users. Nevertheless, some aggregate data are available, and on this page your find links to some of the search trend sources found on the Web.

Google Zeitgeist and beyond

Google has a service called Google Zeitgeist that brings up weekly top 10 lists of the most popular searches in several countries and world wide.

With Google Trends, you can compare the world’s interest in your favorite topics. Enter up to five topics and see how often they’ve been searched for on Google over time.

Lycos has a weekly top 50 list, while Yahoo presents various search trends at Yahoo Buzz.

Blogs, bookmarks and folksonomies

Note also that the growth of social networking and bookmarking sites has given as a new wealth of search trend data.

There are actually companies out there that monitoring and analyzing fashion and trends on the basis of social media such as blogs and discussion forums

Some statistics are free, though. The blog search engine Technorati will, for instance, give you a list of the most talked about topics in the blogosphere right now.

Site popularity

There are actually no trustworthy numbers on what sites are the most popular at any given time. Alexa, which bases its data on the habits of its Alexa toolbar users, may give you a certain indication though.

For these and other web trend sources, see the categories on this page.

Popular search terms in search engine marketing

Reading lists of the most popular search queries is entertaining. Social scientists ought to love the stuff. So far, however, it is the marketing people who has made the best use of this search information.

The search trends tell them what people find interesting right now, making it possible to adapt product and service development to what’s fashionable or upcoming.

This certainly applies to search engine marketing experts as well. Do you want to know what kind of affiliate program to go for and what product to sell? Look at what people search for and make sites and web pages covering these topics.