The business card idea makes Schacht wonder whether the tiny balls might be added to a birthday card to reveal a surprise message when the card is held over birthday-cake candles.
Having recently celebrated its 20th anniversary, the humble SMS text message has a bittersweet birthday present: plenty of indication that it is gradually becoming obsolete.
The court was told McCormack claimed to the police he had been drunk and posted the message at 02:00, the day after his birthday, although accepted it was not an excuse.