That is true: this only measures current interest levels. A decrease in the current interest level of text messaging only means that people are not trying to fi

That is true: this only measures current interest levels. A decrease in the current interest level of text messaging only means that people are not trying to find out about it as much. However, why did it only start trending downwards in 2008? Text messaging was ubiquitous way before 2008. http://www.google.com/trends/correlate/search?e=id%3AdeVob01-p_N&e=text+messaging&t=weekly#default,20 http://www.google.com/trends/correlate/search?e=id%3AdeVob01... Could it be the iPhone? Could it be the iPhone facebook app? Could it be BBM? (Or maybe I'm just reading too much into this...)