a) When a web site is being browsed, an advertisement from an advertiser is
automatically displayed in another new window.
b) When a link from a web page to another page is clicked, a page with an
advertisement is briefly shown before the target page is displayed.
c) When an advertisement image that is placed on part of a web page is clicked, a page prepared by an advertiser is displayed.
d) When keywords are entered into a search service site, an advertisement related to the keywords is displayed on the page showing the search results.