A 2007 Doubleclick Performics Search trends report shows that there were nearly six times as many keywords with a cost per click (CPC) of more than $1 in January 2007 than the prior year.
En 2007 DoubleClick Performics Search Trends rapport viser, at der var næsten seks gange så mange søgeord med pris pr klik (CPC) på mere end $ 1 i januar 2007 end året før.