Also, their growth after 2004 was linear not meteoric/exponentially and they are now in decline: https://trends.google.com/trends/explore?date=all&geo=US&q=%....
If you are going to use a metric you have to show that it is relevant. It also helps if one agrees on what we are measuring.
Also, their growth after 2004 was linear not meteoric/exponentially and they are now in decline: https://trends.google.com/trends/explore?date=all&geo=US&q=%....