But I believe because of increasing environmental pressures, natural gas will gradually become the preferred source of hydrocarbons.

FORBES: On The Cover/Top Stories

While the American Heart Association recommends oily fish as the preferred source of omega-3 fatty acids, supplements are a convenient source for people who don't like fish or are unable to consume the advised dosage.

CNN: How fish oil supports heart health

This positioning will likely enable you to dramatically increase your ability to source preferred, highly profitable clients for your services or products.

FORBES: He or She Who 'Owns' the Client Wins

No report yet on who is behind the attacks or why, but it must be some sort of geek infighting, because GitHub is the preferred clubhouse of the open source community.

FORBES: Software Engineers Are In Demand, And GitHub Is How You Find Them

And Microsoft used its Windows monopoly to help its applications division--the programmers who write software like Microsoft Word--by giving them preferred access to the complex Windows source code.

CNN: Gates gets slammed

As a revenue source, manufacturers much preferred import duties.

ECONOMIST: Economic history

This is primarily because the private markets have become the preferred and, in some cases, the required source of funding for both foreign governments and larger enterprises.

CENTERFORSECURITYPOLICY: Center For Security Policy

Only months ago, pirates preferred to be paid through a complicated web of bank transfers using offshore jurisdictions, according to a maritime security source now involved with ransom negotiations with hijacked ships.

CNN: Pirates collect $150 million in ransoms