The FTC Act prohibits unfair or deceptive advertising in any medium. That is, advertising must tell the truth and not mislead consumers. A claim can be misleading if relevant information is left out or if the claim implies something that's not true. For example, a lease advertisement for an automobile that promotes "$0 Down" may be misleading if significant and undisclosed charges are due at lease signing.
i. You will use Product Advertising Content only in a lawful manner in accordance with and within the express scope of the terms of this License. You will not use PA API, Data Feeds, or Product Advertising Content with any site or application, or in any other manner, that does not have the principal purpose of advertising and marketing an Amazon Site and driving sales of products and services on an Amazon Site.
Influencer marketing: Important nodes are identified within related communities, known as influencers. This is becoming an important concept in digital targeting. It is possible to reach influencers via paid advertising, such as Facebook Advertising or Google Adwords campaigns, or through sophisticated sCRM (social customer relationship management) software, such as SAP C4C, Microsoft Dynamics, Sage CRM and Salesforce CRM. Many universities now focus, at Masters level, on engagement strategies for influencers.