Regular readers of Freaky Trigger will know that we’re sceptical about blaming all kinds of ills on ‘marketing’, because most marketers are rubbish bunglers and the whole thing tends to be based on very shaky statistics and assumptions. However, occasionally a neat factoid that proves the hand-wringers right.

In this case it’s that toothbrushes are getting longer. Why is this? Not for medical reasons. A sharp-eyed marketer noticed that most people squeeze toothpaste out to fit the brush, therefore longer brushes = more toothpaste used per day = more toothpaste sold. Diabolical!