What is the best alternative to adsense?

There is many alternatives to adsense but i  sugguest top4 companies

1.Infolinks

2.Kontera

3.Amazon Associates

4.BuySellAds

• The Highest CTR (Click Through Rates) [according to ads implementation]
• The Highest CPC (Cost Per Click)  [according to the content type]
• The faster payments [Within30 days]
• The Easiest payment methods [including Western Union]
• Displays The Most Relevant Ads [according to content & keywords]
• Very Close Statistics & reports
• A lot of helpful resources for publishers
• No traffic limitations
• No specific readership is required