A few years after Google Trends, Yahoo! have a similar tool, named Yahoo! Clues. This allows to know the trends in searched based on given keywords, and also know what kind of users are looking for these keywords (gender, age range, income, location). This service is unfortunately not available yet in Europe, but it could be useful to refine SEO & SEM keywords based on the season and evaluated parameters. The following screen shows the results for the Tenerife query.
