I've just had a short wait in the local Out-Patients waiting room. Opposite me was a man of about 60, unshaven, dressed in tracksuit and anorak, with sandals on.
And a Bluetooth earpiece in his ear.
Why is a certain type of man so attracted to this kind of gadgetry? It's as if they are saying "I have so many friends/clients/MI5 contacts who need to get to me urgently, so I need to be permanently contactable, even when I am busy and using both hands. Now, please let me through." All they do is make you look like a taxi driver. Or a refugee from Star Trek.
And they remind me of something. What was it ... Ah yes, now I remember: