The point being, when you are away and you still need access to your home server (for example) then these plugs are invaluable. The comments made at the website below, stating you may need a better router, rather than spend $60 on something like this are exactly why these people shouldn't be reporting on technical devices!
http://boingboing.net/2016/03/12/wifi-resetplug-power-cycles-ro.html
-- via my feedly newsfeed