If you've spent 3.14 seconds on Twitter or Facebook today, you probably know that it's March 14, or 3/14, or Pi Day.
Ah yes, Pi Day, celebrating a mathematical constant, a number with way too many decimal places, a number used to calculate the diameter, radius and circumference of a circle.
It's also a number that seems to inspire brands to create a wide range of pi/pie-related social media updates. From the obvious pizza and bakery brands to the slightly more tangential tech brands, there's been quite a bit of fun and questionably topical output on social media today.
AT&T commendably tied its post back to actual science education:
Getting kids interested in #STEM