In contrast, high-frequency fluctuations such as seasonal temperature variations are observable and somewhat predictable, so that groups could have adapted their behaviors accordingly.
Now examine what they have to lose by questioning the establishment - loss of job, loss of stature in their academic or professional community, loss of influence or loss of license.
This decrease in cost allows researchers, hobbyists and even elementary school groups to put simple instruments into LEO or even having them deployed from the ISS.
There's a growing appreciation that superficially similar groups of customers may have very different preferences in terms of what they want to buy and how they want to buy it.