Google Hot Trends (www.google.com/trends) is a utility that shows in almost real time what most people are searching right now on the Web. While it is a great tool for learning what happens around the world, many webmasters have been abusing it, by posting keywords from Google Hot Trends on their site, in order to get high ranks in Search Engine Results (SERP). However, it appears that such abuse has made angry the Google team (and it is logical) because is considered as web spamming. The result is that sites that abuse the Google Hot Trends tool are de-indexed from Google very soon or get a -30 to -950 penalty, eliminating the 90% of their visitors. Read the rest of this interesting article here Indeed, the Web lately was full of sites posting nonsense, using keywords from Google Trends. Definitely don't do this, if you don't really intend to give useful information to your visitors, not only because it is bad for them but because you will have your site penalized by Google Web Spam team.