Contextual advertising
Implementing analytics for contextual advertising in helps track payback and optimize budgets.
Bing Ads
Analysis of Bing Ads в Mahesh Khunt identifies the strengths and weaknesses of campaigns and allows you to optimize costs.

Yahoo ads
Targeting settings in Yahoo Ads в Mahesh Khunt allows you to serve ads only to an interested audience.
Google AdWords
Running contextual advertising in ensures a constant flow of applications and increased traffic.