Data-driven advertising: Users generate a lot of data in every step they take on the path of customer journey and Brands can now use that data to activate their known audience with data-driven programmatic media buying. Without exposing customers' privacy, users' Data can be collected from digital channels (e.g.: when customer visits a website, reads an e-mail, or launches and interact with brand's mobile app), brands can also collect data from real world customer interactions, such as brick and mortar stores visits and from CRM and Sales engines datasets. Also known as People-based marketing or addressable media, Data-driven advertising is empowering brands to find their loyal customers in their audience and deliver in real time a much more personal communication, highly relevant to each customers' moment and actions.[37]
Sometimes, individual entrepreneurs with great products are worth a look, although you should check them out first and do some research. Entrepreneurs or companies may run their own affiliate program and you can apply directly to them to promote their products and services. Finally, Amazon is always an option as you can be an affiliate for just about any type of physical product on their network.

2) Customer Acquisition Cost – What are you currently spending to acquire new customers? Whatever that amount is, assuming you're profitable, you could technically offer up to that amount to your affiliates for generating new customers. If you can safely spend 10% to acquire new customers through your ad channels, you could afford to offer that rate to your affiliates. (But it doesn't mean you have to. It might just mean you need to optimize your ad spend because you're leaving money on the table.)
(d) You will not, without our express prior written approval, use any Product Advertising Content on or in connection with any site or application designed or intended for use with a mobile phone or other handheld device (which prohibition apply neither to any site that is not designed or intended for use with such devices but that may be accessible by such devices, such as a non-mobile-optimized site accessed via an internet browser on a tablet device, nor an Approved Mobile Application as defined in the Participation Requirements or any television set-top box (e.g., digital video recorders, cable or satellite boxes, streaming video players, blu-ray players, or dvd players) or Internet-enabled television (e.g., GoogleTV, Sony Bravia, Panasonic Viera Cast, or Vizio Internet Apps).
Reversal rates are generally in the low single digits; it’s standard for about 1% of transactions to be reversed. If you see offers with extremely high reversal rates, that could be a red flag. It doesn’t mean you should necessarily stay away, but it’s worth understanding why so many transactions are returned. For example, there’s something strange going on with this merchant:

(b) displaying Special Links and Program Content on your Site in compliance with the Agreement, all applicable laws, ordinances, rules, regulations, orders, licenses, permits, guidelines, codes of practice, industry standards, self-regulatory rules, judgments, decisions, or other requirements of any applicable governmental authority, including those related to disclosures (for example, if applicable, the U.S. FTC Guides Concerning the Use of Endorsement and Testimonials in Advertising) and electronic marketing, data protection and privacy (for example, if applicable, the Directive 2002/58/EC (Privacy and Electronic Communications Directive), and the General Data Protection Regulation (GDPR) (EU) 2016/679), and any agreement between you and any other person or entity (including any restrictions or requirements placed on you by any person or entity that hosts your Site),
The General Data Protection Regulation (GDPR), which took effect on May 25, 2018, is a set of regulations governing the use of personal data across the EU. This is forcing some affiliates to obtain user data through opt-in consent (updated privacy policies and cookie notices), even if they are not located in the European Union. This new regulation should also remind you to follow FTC guidelines and clearly disclose that you receive affiliate commissions from your recommendations. 
If you actually use the product and get results with it, then sharing a case study or your personal experience can be one of the most effective ways of selling those products to your audience. As you build a more responsive list of email subscribers and buyers and your reputation, merchants may offer you “free” samples of e-books or other products.
Hi, Jamie! Very good list. I needed something like this for 2018 so that I know what to target in the future blogs I create. As for now, I’m comfortable using SiteGround affiliate network and it’s pretty good actually. Their hosting service is pretty much the best considered its price. I’ve tried others but SiteGround stands out. I’ll also try new affiliate networks, something from the list you have just provided. I think Amazon is too saturated at the moment, and I need a better network. 2018 will be interesting indeed.
In 2006, the most active sectors for affiliate marketing were the adult gambling, retail industries and file-sharing services.[21]:149–150 The three sectors expected to experience the greatest growth are the mobile phone, finance, and travel sectors.[21] Soon after these sectors came the entertainment (particularly gaming) and Internet-related services (particularly broadband) sectors. Also several of the affiliate solution providers expect to see increased interest from business-to-business marketers and advertisers in using affiliate marketing as part of their mix.[21]:149–150
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