If you've been using Google's AdWords and/or Analytics products for any length of time, you must be aware that the numbers don't always add up. In fact, they don't add up at a sometimes alarming frequency. That is to say, the reported numbers either don't match up to what you know must be reality, or they are not consistent. Needless to say, this realization can be a little disconcerting, considering the amount and level of detail Google provides. Read the full article