Another service contextual advertising from Google, who is responsible for show ads in search results.

Unlike Google adsense does not bring direct profit from showing advertising to anyone except himself search engine, since ads are displayed only in it extradition.

The probability of the announcement being withdrawn depends on it relevance requests, that users enter in the search bar.

AdWords (also found in Russian AdWords) provides tools to help select keywords for ads. This function can also be used in construction semantic core for websites, that are planned promote methods SEO.

Advertisers only pay for search engines committed by users transitions, not for shows.