PALO ALTO, U.S. -- The number of employees who work for the four major U.S. tech companies, Apple, Google, Amazon and Facebook, has now exceeded 1 million worldwide.
Mega-workforce heaps pressure on earnings and communities where they are based

Apple staff cheer as the first customer for a new iPhone product enters an Apple Store in Beijing. © Reuters
PALO ALTO, U.S. -- The number of employees who work for the four major U.S. tech companies, Apple, Google, Amazon and Facebook, has now exceeded 1 million worldwide.