How to filtering that cheap clicks in adsense

this is just for example how to filtering the low earning clicks (you can add more listing if you found that the site produces cheap earning clicks)  just put this websites address in your filter ads page in your adsense account:

amazon.com
away.com
webcrawler.com
business.com
couponalbum.com
ebay.com
expedia.com
kijiji.com
local.com
mysimon.com
nextag.com
pronto.com
shopping.com
shopzilla.com
target.com
walmart.com
yahoo.com
yellowpages.com

I hope this will increasing your adsense earning, but don't forget to boost up your traffic too..