The startling economics of pay-per-click

When Google rolled out pay-per-click advertising, it was a rarely targeted, cost-effective sales apparatus that entrepreneurs and other niche marketers had always dreamed of.

Pay-per-click (PPC) enables marketers to aim accurate audiences (people who use certain keywords in their Internet searches), and to compensate usually when a awaiting clicks on their

Read the complete story: http://business.financialpost.com/2012/01/27/the-surprising-economics-of-pay-per-click/