The calculator wiped out the slide rule.
The computer wiped out the typewriter.
Internet search wiped out most high street travel agencies.
The mobile phone wiped out the telephone box.
Estate agents are being undermined by people selling their houses direct online.
Amazon is damaging almost any retail business.
What’s hiding round the corner ready to wipe out your business?
You may not want to look at it, but the sooner you do the more opportunity you have of finding a way to survive the challenge.
Waterstones saw Amazon coming with online book sales and they have adapted and are now thriving again. So it is possible if you spot it early and are prepared to change.