Marketing Linked to Pi Day

March 14 is Pi Day (3.14, get it?). In fact, it's quite an accurate pi day.

And it's more than a mathematical celebration.

Yes, it's a marketing opportunity for mugs, T-shirts, and much, much more. Just do an Internet search and you'll find lots of marketing linked to Pi Day. Here are 3 examples:

• Museums are promoting Pi Day celebrations.
• Pizza pies and fruit pies are being promoted.
• Geocaching is using Pi Day to attract attention.