Jokes and plays on words abounded on the Internet and restaurants put pie on special to celebrate this rather nerdy and fun day. Some pointed out that it’s also pi month this year:

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```HAPPY PI DAY BTW!!! ITS VERY MATHEMATICAL TODAY. ITS 3.14, AND THE MONTH IS 3.14 SO TODAY IS SUPER MATH

— ✿ エイプリル ✿ (@Jasmine_blu) March 14, 2014

Imagine what’s going to be online next year when Pi Day will be 3/14/15.

Many also gave a nod to one of the greatest mathematical minds of all times — Albert Einstein.

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```Not only is 3/14 #PiDay, it's the birthday of one of the most influential physicists: happy 135th, Albert #Einstein! pic.twitter.com/ZePKTp8Wt0

— Sandia National Labs (@SandiaLabs) March 14, 2014

Some, though, felt Pi Day was an irrational holiday.

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```It's apparently Pi day as everybody keeps quoting Pi on twitter today. Let me join in with Pi rounded to the nearest integer: 3

— Nathan Adams (@Dinnerbone) March 14, 2014

Pi Day popularity seems to grow each year. It used to be something given a nod mostly by those who are fascinated by this number that goes on for infinity and calculates the distance around a circle divided by the distance across it.

In 2009, Pi Day was officially designated by the House of Representatives,

**CNN said**. And since then, it’s become a fun celebration even for those who don’t like math. It is, after all, an excuse to eat pie.

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```Happy Pi Day from all of us at @SquidGrip pic.twitter.com/RahKCgdYy9

— SquidGrip™ (@SquidGrip) March 14, 2014

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