CPA Explosion

Paid advertising on the internet is now a massive and truly global business, and with every passing day it just keeps on getting bigger.For example, in the first quarter of 2006, internet advertising revenues reached a new high of $3.9 billion and by the end of the third quarter of the same year, this figure had gone past $4 billion.However, in the same Q3 period in 2007, internet advertising reve...