Spotting repeated patterns usually helps traders and analysts to take their decision. In this connection interesting pattern in Google shares has occurred last two years. It provides investors with profitable opportunities as important entry and exit levels are determined easily.
I've made a research (on Google trends) and I've found a high correlation rate between a keyword search frequency and the economic activity related to that keyword. I've also found an obvious season-ability of almost of good and services except for online communities (like this blog) that has kept a positif trend since 2004. And for technologies Goog has developed enough to make money from each niche ....D)