Hi there ! I spend couple dollars on a Google Adwords Campaign... I spend 0.46$ per clic. It's a lot of money. :-(  Is it worth it ?????  Any alternative to suggest ?  Would like to generate new members thanks to that campaign... but I got difficulty to measure this efficiency !  Does anybody has a strategy to build a great adwords campaign to a Ning network ?  The landing page ? How would it loo…