Keyword : "car insurance" MaxCPC : $10 Type : Exact Via API : Estimates for keyword with text "car insurance": Lower average position is "4.0". Upper average position is "6.0". Lower clicks per day is "415.84586". Upper clicks per day is "623.76886". Lower cpc is "4390587" = $4.39 Upper cpc is "6585882" = $6.58 Avg CPC = $5.48 Via Web Interface (English, All Countries) : Position : 1 - 3 Estimated Avg CPC : $8.23 http://img685.imageshack.us/img685/1355/carinsurance.png How come the difference ?