When it comes to tailoring data usage, marketers need to take a number of factors into consideration. For example, they need to pay attention to the regulations of the local authorities. They also mustnt forget about the objectives set by the company they promote. That said, the data usage policy is a set of rules that helps advertisers come up with the right ad campaign. Such advertising campaign will be a perfect balance between their marketing needs and restrictions. For example, if the product theyre advertising can be only of interest to certain customers, the advertiser might want to voluntarily make their policy more restrictive.