Martin says PPC is particularly good for split testing as it allows your strategies to fail much faster, saving you time and money in the long run.

FORBES: Combining Paid Search and SEO Principles

Sports fans are tired of hearing about a potential fight between Pacquiao and Mayweather, as the two fighters have sparred outside the ring on everything from purse split to drug testing to the timing of the bout.

FORBES: Pacquiao Versus Mayweather Fight Inches Closer To Reality

The two fighters and their camps have sparred outside the ring for more than three years over drug testing, the purse split, timing and everything else under the sun.

FORBES: Manny Pacquiao Climbing Back Into The Ring With Status As Boxing Megastar At Stake

It includes a 35-foot waterfall, a 65-foot climbing peak, an indoor rain room for testing waterproof jackets and some precious plaques over split-log benches.

FORBES: Backpackers meet bottom line

It includes a 10- meter waterfall, a 20-meter climbing peak, an indoor rain room for testing waterproof jackets and some precious plaques over split-log benches.

FORBES: Backpackers meet the bottom line

"What we're doing here in this immigration battle is testing our willingness to hold together as a nation or split apart into a lot of Balkanized pieces, " he said.

CNN: McCain stands alone on immigration bill

The exercise will be split into three phases, starting at Weymouth, where the 2012 sailing competitions will be staged, then testing the defence of London's airspace, and finally a major event on the River Thames.

BBC: London 2012: Major Olympic security test unveiled