Hi, there is an important point you forgot;
Intelligent popups or overlays are very useful for conversion rate optimization.
Targeting someone from NY, USA (or any place) to register your demo only if he read a specific article on your blog and seen your Instagram profile for at least 2 minutes is a simple and doable option. Like that:

You can use popup overlays to present offers, call to actions, content and leads to specific people.
intelligent popups allow you to use prospects info and increase your conversion rate of any goal without annoying your website viewer because they are so personalized. You can target according to geo, user behavior, scrolling speed, source page, specific cookies, browsing history, exit intent and much more.
Utilizing these parameters for other forms which are NOT popups is a nightmare. only popups can do it in a simple way. Some popup software I can recommend
Some intelligent popup softwares are:
Find more on google
Hope that was helpful (-;
