Contextual advertising
Implementing analytics for contextual advertising in helps track payback and optimize budgets.
Google AdWords
Setting up targeting in contextual advertising in в Sao Tome allows you to serve ads to the right audience.
Yandex Direct
Running advertising campaigns in Yandex Direct в Sao Tome helps to improve conversion and reduce costs.

Yahoo ads
Targeting settings in Yahoo Ads в Sao Tome allows you to serve ads only to an interested audience.