I guess any trial like this is going to controversial. I plan to be at that airport before too much longer, and if i'm interacting with a member of staff I will probably ask them to remove the headgear.

Privacy campaigners have accused Edinburgh Airport bosses of ‘spying’ on passengers, after it revealed plans for its staff to wear controversial Google Glasses.

Edinburgh Airport will be the first in the UK to trial the technology in a bid to improve “the passenger experience”, while its use could be rolled out to other airports.Google Glass Trial at Edinburgh Airport Draws Privacy Criticism [edinburghnews.scotsman.com]

Emma Carr, director of Big Brother Watch, said the airport should think “very carefully” whether the technology was appropriate for an airport.

She said: “The danger with Google Glass is that the camera is seeing what you see, all the time, while the microphone allows nearby conversations to be eavesdropped on.

“It is impossible to guarantee against these devices being hacked, so it is surprising that this technology is allowed anywhere like an airport or government buildings.