question on google ad words

[montrealpornking]

had anyone used google ad words and what was the sucess rate ?
i heard it can be very profitable in our biz but it has to be used correctly.
any recomendations or can you point to a link to study this method as well as what your thoughts are on it ?
Thanks.

[Stephane76]

some answers there :
http://www.xnations.com/showthread.php?s=&threadid=13191&highlight=adwords
and there
http://www.xnations.com/showthread.php?s=&threadid=11286&highlight=adwords

;)