I prefer dogs, cause it protects us from thief and other criminals and it also looks great and cute than the cats. cats only looks the crime but it can't do anything cause it has not get power as dog.Dogs are bigger than cats and dogs also can win cats.so, I prefer dogs as it is better than the cats..
I only know about the google adsense for pay per click.
If my dear friends and user of trap 17 know the nice and easy to use pay per click system by nice website. Than please add websites in reply which gives nice pay per click system without credit cards.
You can add reply that urls than I will try to find them and be a perfect ads publisher in future.
I think it is a system of education which helps to learn the new things by own effort in the internet, it also helps to be a self depend, to learn easily by searching as in the book and it helps in getting quality education. so, if you get chance then I think you should join the online education.