[new] [author] Profit Button

Profit Button - new way to interact with users of your mobile app or a web site - a button floating on top of the main content of the app/website. Any webpage/survey/adv can be displayed inside the button when it gets opened.

https://github.com/probtn/probtn-web/cdn - scripts to include necessary libraries and show the button.
https://github.com/probtn - libraries for other platforms