What other advertising systems can be used along with adsense?
Why do you think about Chitika and Infolinks?
Can be used all three?
Yes you can, but Chitika and Infolinks pay pennies compare to adsense. You can try adding some affiliate products for your site or CPA offers. They work much better than Infolinks and Chitka.
What do you mean by “affiliate products”?
Marketplace - ClickBank for starters
Affiliate product is referral program, where you recommend a company’s products at your website and when someone click the product from your advertisement, you will get paid by the company.
Having banner or a dedicated space for advertisement can earn more. Textline ads earn slower.
yes you can use both infolinks and chitika, no problem
kontera and cpx interactive which i use with adsense