One of the worst things about using the Internet is Ads on websites. There are Apps to control Ads and Apple has builtin features in Safari that work great if you use them. However, the rub is revenue verses privacy. If you block Ads, you are blocking peoples revenue. If you allow Ads you are open to security problems on your Mac. So, what do you do? This article covers all the issues involved in blocking Ad or not. I pretty much do what they advocate in the last paragraph of the article. There is a balance to all of this which can be achieved.