The most important thing is that it's easy for me as an educator because I can easily navigate through its features without having any technical knowledge of programming or anything related! It has helped my students learn English much more efficiently than if they were just reading from their books at home by themselves (which many do).
Also, using this tool enables them to be able to interact via chat within our classroom which helps us organize class time in such manner where we are all present together working towards one goal instead of each individual learning things independently.