They are a free site. They advertise for other companies to earn money.
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This site has NO answers, just advertisements!
It is not slow but it takes time to load the graphics and advertisements which pay for the site.
There are no quizzes on this website. WikiAnswers is a question and answer site.
It isn't.
Yes, that site is dmoz.org ... Google even uses their listings to display into their own. No advertisements.
You must be a registered user to turn the advertisements off.
Site promotion can range anywhere from advertisements to celebrity endorsement in order to increase the site's popularity, the amount of people who visit the site.
You could try an auction site, or classified advertisements.
If one is interested in placing advertisements for hotels there are many places to do this. They can do it in the local newspapers, on billboards, on benches or they can place advertisements online. This is usually done by placing the ads on a site that the hotel pays the site to advertise their hotel for them for as long as the ad is on their site.
Answers.com is supported financially by advertisements, which keeps the site free for you to use. Have you considered becoming a member of the site? Not only can you do more (and have fun), you can avoid seeing the ads just by using your personal settings.
Kijiji is a very popular website for advertisements. People could visit this site and see the classified advertisements which are on many different topics. They could also post their own advertisements for free.