Google do sneak stuff out, don't they?

[Ham]

Cloud printing to your own printers....

https://www.google.com/cloudprint/learn/howitworks.html

It's a bit beta, and images in a PDF broke it (after the images, strangely) but docs were fine.

Scary

[sas]

Interesting idea. Maybe the next step will be to let you advertise your printer out for public use, so if you need to print something you could do a location search for the nearest printer, add some Google printing credit, and print.