[RobotToaster]

Or a miniature ticker tape printer, so your texts can come out your pocket like a telegram.

[GJim]

Sir clearly hasn't watched the opening scene to the classic Bond film, The Spy Who Loved Me.

It's on Youtube :-)

[saltcured]

This should use some kind of impact printer, so the vibration of it working also indicates incoming messages.

[NoMoreNicksLeft]

Shut up and take my money.