AdSense for Search

Google also offers a companion program to AdSense which is called
“AdSense for Search.” The AdSense for Search program allows you to
host a Google search box on your website or blog. When a visitor to
your website searches via that search box you will be paid if they go
on to purchase something online from the search. In other words,
Google does not pay you for the search itself, but does pay you from
any revenue earned from the search which originated on your website.

AdSense for Search can be a great income generator for you. Assume
for a moment that your blog is about appliance repair. Someone finds
your site that is looking for information on the problem they are
having with their washing machine. You have a Google Search box on
your blog. After the visitor is done reading what you have suggested
the problem might be, they decide to go on to search for a new
washing machine. Maybe you had a review on your blog of a good
washer they might consider buying. If they buy this washing machine
from the search then you will get part of the revenue from that
purchase because the search started on your blog. How entirely cool
is that? All you did was simply host a search box on your blog!