Around 1900, The DIY Victorian valentine was supplanted by mass-produced cards delivered by mail.

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Going back to elementary school, Valentine's Day has been about the cards: First carefully crafted with safety scissors, construction paper and glue, and later bought pre-made from a store.

CNN: Bacon chocolate, e-cards and other Valentine trends

Accompanied by his partner Carrie Valentine, Mr Burgess, 35, chatted with Aaron's friends before looking at the cards and flowers that were left for his son.

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One-third of American adults plan on sending an e-card this Valentine's Day, according to a recent study by the mobile testing company SOASTA. Digital cards are most popular with men between 35 and 44, and spouses were the most common recipients.

CNN: Bacon chocolate, e-cards and other Valentine trends