Because these are the systems that are used to report on data to Google Analytics.
E-commerce platforms: are referred to that platform which provide the facility of the online shopping without the broker's interference.
Mobile Application: are referred to that provide entertainment, and by which the users can accomplish their works on time or which they can save their time also.
Online point of sale system: POS system is referred to as a system that provides the online payment system which is offered by the companies.
