Why spend money on marketing? To achieve a positive return on investment. If I put $1 in, how much do I get out? Does the return justify the risk? This is why Google Advertising or PPC is so powerful. You can estimate your return or ROI before you get involved in a campaign. And you can track and tweak as you go. Even though search engine marketing is results oriented and completely measurable, many sites and tools given an inaccurate analysis of profit and ROI. I have seen tools that consider new revenue to be profit, many of which do not even consider the cost of the cost of goods. If you are not going to offer an appropriate measurement mechanism, ... Read more...