for those wanting to learn beyong the promotional "cheap, instant, unlimited" buzzwords and find out about the critical parts that dont meet the promotional promises..

another thread (link below) highlights some limitations/issues.
ofcourse some people in the thread try defending/deflecting the issues to keep the hype of empty promises alive, but its worth knowing the limitations aswell

https://bitcointalk.org/index.php?topic=2819956.msg29007219#msg29007219