One has over 500 million users, the other just over 100 million. But who are they and what’s their behavior? What’s their value to a brand? How old are they? What’s their education? How much do they make? Just exactly what does the Facebook vs. Twitter landscape look like? Good questions.
Via  digitalsurgeons.com
Via focus.com
The Facebook Economy
There are 550,000+ apps that are used on Facebook. Seventy percent of users engage with apps each month. There are one million app developers. Zynga, the top app developer, made $250 million in 2009. Of that amount, $80-$150 million is estimated to be profit, more net profit than Facebook itself made.
Source: http://www.visualeconomics.com
Source: awesome.good.iswo
California Vs. The WORLD
The size of California, both geographically and population wise, makes California comparable to many countries. Heres how California stacks up to the rest of the world.
Economy
Californias $1.8 trillion GDP makes it the 8th largest economy in the world. The United States as a whole has the largest economy in the world, with a GDP of $14.2 trillion. Japan is number two with a GDP of $4.9 trillion. China has the third-largest with a GDP of $3.8 trillion. Number four is Germany, with a GDP of $3.6 trillion. The fifth-largest GDP is France, with $2.8 trillion. Number six is the United Kingdom, with a GDP of $2.6 trillion. Number nine is Brazil with a GDP of $1.6 trillion. Number 10 is Russia with a GDP of $1.6 trillion.
If you combine the GDPs of Australia, Burma, the Czech Republic, Ethiopia, Nigeria, Peru and Ukraine, you will have the same size economy as California. California accounted for nearly 3 percent of the worlds GDP in 2008.
Source: www.visualeconomics.com
Source : www.digitalbuzzblog.com