Today is a big day for those of us who love science and baked goods. Not only was Albert Einstein born on this day, but March 14 is also known as Pi Day, because the numbers of the date (3/14) correspond to the first three digits of the mathematical constant (3.14).

Twitter is all abuzz with pi (and pie) jokes. And aside from the expected restaurants tweeting about pie specials, several other brands are getting creative with how they insert themselves into the Pi Day conversation.

A few of our favorites:

The White House

Ever since President Obama’s appearance on “Between Two Ferns” with Zach Galifinakis, it’s become clear that the White House has found its millennial groove when it comes to flogging its Affordable Care Act. This tweet is light and funny, especially with the #GetGeeksCovered hashtag. Nice job, White House.

Cincinnati Reds

See, even jocks can get in on some math humor.

General Electric


Last year GE sent out 314 pies to tweeters using the GE-created hashtag #PiDay, so it’s not surprising that GE had something like this colorful Vine up its sleeve this year for Pi Day.

Regal Cinemas

We appreciate any reference to “American Pie” and its most memorable scene.

Delta

If this isn’t just a photoshop job, then kudos to Delta for finding a plane with the Pi numbers on its tail. Even if it is photoshop, it’s at least clever.

Adobe InDesign

Instead of just saying “Happy Pi Day!” this is a nice example of a brand offering useful content to people.

…and then there’s this one from Hot Pockets:

This guy recently went viral for knowing a thing or two about Hot Pockets — intimately. Might have been better for them to sit Pi Day out this year.

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