Two of my professors have used this extension, but I didn't know how it works before yesterday.
I though Advertisement blocking extensions are all about POPUP dialog windows. But this was different. This is for the inner side banners, which is inserted in web pages.
For example, this is "New york times" web site:
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After I use the "Adblock" extension, they disappear in this way:
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This is the example for Naver, which is very famous portal web site in Korea:
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This extension can save your time for web surfing.
You can use this function after install Adblock extension, and Updater extension.