what is traffic exchange?

@nikramos (701)
Philippines
September 20, 2010 2:33am CST
i'm only 4 days old into this whole PTC, online money-making thing and i've participated in gaining credits for traffic exchange for incentria and clicksia. i have a vague idea of it and i just need more information as to how it works and how it could help increase earnings. thanks!
No responses