There are many different ad banners on a range of different websites, some people say that these ad banners are annoying and ruin the website which can be true mainly for those with sound of lots of moving animations however I understand the websites need to earn some money to pay for their web hosting and maintaining of the website therefore I am not annoyed by the ads that much, They are often worked into the website so that they are not large and obtrusive which makes viewing the website simple and easy as well as this sometimes the ads can be interesting and may be something I want to look into which is always a bonus. I think I can earn money from hosting ad banners and that would be a great way to earn a little bit of extra money. I know a good friend who does this and earns a fair amount each month.