Disruptive? Napster was certainly that. For a whole two years, it turned the record industry upside down. And made lost songs listenable again.
They were once ubiquitous, normal, and accepted. Now, however, the hitchhiker really has vanished.
It survives in letters on your paying-in slips. But the Giro as shorthand for a bleak life on benefits is fading from memory. Perhaps for the best.
The BOAC logo is back. The airline that vanished in the 1970s recently touched down again at Heathrow.
It was the activity that kept you from murder and mayhem as you waited on hold, waited for your caller to dry up, or listened to Greensleeves for the 96th time.
In the popular memory, the millennium bug was something that failed to come to pass. However, that is only because an army of coders made sure it didn’t.
Strangers standing on your doorstep singing about Good King Wenceslas? A vanishing rarity.