Why does Wikipedia ask for donations rather than having ads?
Why doesn't Wikipedia run optional ads?
What would Wikipedia look like with advertising? Is there some other ad network which allows modification of Ad Code in cases of some exception like the responsive ads in Google Adsense? How does Wikipedia work? Why is the AdSense ad link not displayed on the mobile site? What are the limitations of Google AdWords? Why don't shipping companies put ads (food ads) inside packages? Why have ads been added on Quora? Why doesn't Simple English Wikipedia have as many articles as the English Wikipedia? Why is Wikipedia not reliable? How would you monetize Wikipedia if it wasn't a non-profit? What if there are no advertisements? Why is Wikipedia better than Quora? Which is the best alternative for Google AdSense and why? How do Google AdSense accept my website? Why don't books use ads and TV does? How can I choose the ads in AdSense? Does Google need advertisement? Does Google Adwords work? Why so many ads? How do I test the AdWords Ad link externally (not from the system)? Does Google AdWords really work? What are the alternatives of Google AdSense? What's the difference between Google AdWords and AdSense? How does Adblock Plus help avoiding ads on web pages, especially YouTube? How is it possible? Why do many teachers not recommend Wikipedia? How does Google AdSense work? Why ads not showing on my YouTube video on mobile, ads showing desktop only why? What is the adsense and how to add adsense on their website? What is the best alternative choice for Google adsense? How can I learn Google Adwords without having a website?