'Students at Saltash School are busy practising their French speaking skills as their teacher, Ben Rowe, stands at the front of the classroom armed with a smartphone. He types a message into his mobile: "Good use of vocab". A moment later the classroom computer bleeps and his feedback appears on its screen.

It might sound like a roundabout way to praise students, but Rowe's message travels wider than the classroom wall.'

Read The Guardian article here.