Our keyword tool is updated periodically. We recently updated it once more. For comparison sake, the old keyword tool looked like this Whereas the new keyword tool looks like this The upsides of the new keyword tool are: fresher data from this year more granular data on ad bids vs click prices lists ad clickthrough rate more granular estimates of Google AdWords advertiser ad bids more emphasis on commercial oriented keywords With the new columns of [ad spend] and [traffic value] here is how we estimate those. paid search ad spend: search ad clicks * CPC organic search traffic value: ad impressions * 0.5 * (100% - ad CTR) * CPC The first of those two is rather self explanatory. The second is a bit more complex. It starts with the assumption that about half of all searches do not get any clicks, then it subtracts the paid clicks from the total remaining pool of clicks & multiplies that by the cost per click.…