Who know the earths climate changes over time.
If you look at the graphs (http://berkeleyearth.org/analysis.php) you can see that the warming period skyrocketed in the 1970s yet didn't during the industrial revolution.
What is at dispute is the *cause* of the temperature fluctuations. Some believe that it is simply the earths natural cycles while others (usually those who have a financial interest) believe that it is caused 100% by man.
What IP outside of their game artwork does Zynga actually own?
I mean what is stopping a competitor from coming in a scooping up their business?
Do they own any patents?
(Hint: The answer is none)
So what can they do to protect their market position? Nothing
The average consumer isn't a reader of PC Pro.
If glossy screens weren't focus group tested they would't be sold.
I would suspect that there is a loud minority that wants matte screens while the majority either doesn't care or wants glossy.
Remember, "pro" users and nerds are not the majority that are a very small minority.