Flying bluetooth at Manchester Airport

I’ve just had the first opportunity to try out Manchester Airport’s bluetooth passenger service. Billed as the UK’s first such service the idea of it seems to be to have that one-to-one communication with passengers as they progress through to their flights.
So what do you get? First a screen arrives to download in order to accept the communications. At this point I did feel rather vulnerable – having been bluejacked once before, I am wary of being visible in public places.
Once the download had occurred, I received an offer for £5 off if I spent more than £50 on booze, a two for one offer (which was available in store anyway) and the tantalising offer of cheaper parking – but only if I was able to book online which was obvioulsy too late as I had already made it into the airport so my car was already being held to ransom in the long stay.
So far, so not useful.
When the check-in desk opened, I received a text to tell me where it was and later, when the gate was called, I received a text to tell me the number. These were both genuinely useful – although I did find myself double checking before the long walk to the gate that the information was correct. (Am I turning into a travelling technophobe?)
So a bit underwhelmed, I got safely to my plane. I wasn’t presented with any must-have opportunities but it’s a free service and frankly it’s something to do while waiting, waiting and more waiting.
It did lead me to wonder what happens if your flights delayed? Perhaps it sends you a cheery little message – or discounts the price of gin.