Unreadable prescriptions and medical records present a major health hazard. As many as 10 out 100 Americans suffer becasue of doctor's poor handwriting.

Pharmacy staff have revealed to researchers that they have difficulty in reading 93% OF prescriptions they get.

In 1992 December a pilot misunderstood his co-pilots readings that he had noted down. Unable to decipher the information and acting on wrong information the plan crashed. - Wolf von Eckardt

NASA's failure in 1965 is due to an engineer's hand-scribbled last-minute correction to a few lines of programming code left a semi-colon looking like a comma.

United States loses over $200,000,000 each year due to handwriting problems. This is because of wrong telephone calls to not in use numbers. Letter delivery delays due to deciphering bad handwriting. Delivery of parcel delayed / delivered on wrong dates / to wrong address due to bad handwriting, etc.

IN UK postal department destroys around 5,000,000 Greeting Card due to illegible address that postman finds difficult to read.

Ovaltine:
The drinks inventor, George Wander, wanted to call it "Ovomaltine". Due to his bad handwriting the trademaek department officially named it 'Ovaltine'.