PrintToPeer is company from Calgary that wants to simplify 3d printer control and connect them on the web via RaspberryPi software.
The technology looks very promising and they will probably be successful.
PrintToPeer homepage:
http://www.printtopeer.com/
PrintToPeer Indiegogo campaign:
https://www.indiegogo.com/projects/printtopeer-your-3d-printer-on-the-web/