Of all the Transparency International (TI) watchdog indices, The Corruption Perception Index (CPI) seems to be the most controversial after some quarters questioned its validity, arguing that it should be evidenced based.
credibility
Viral Marketing – Its Essentials
Viral marketing has its similitude of being contagious a term coined for word of mouth, on the Internet. It is something of knowing, passing and receiving the information from other people about your website, service or product.