Once you've seen the shruggie, more commonly recognized in its emoticon-slash-emoji-like form ¯\_(ツ)_/¯ , you'll see it everywhere.
In fact, the shruggie (also known as the "smugshrug") has become so ubiquitous in certain circles (read: Twitter; the Internet), that it is slowly become a default reaction. We're all going to die in an Apple-iPhone-6-pocalypse? Everything is starting to faintly taste like pumpkin spice? Something called a selfie hairbrush exists? ¯\_(ツ)_/¯
(Also noteworthy is this primer from The Atlantic on the best way to type the characters so you don't need to copy/paste it every time.)
In sum: Sometimes, you just need to shrug. These guys know it; before Sheryl Sandberg was leaning in, she was shrugging it off.
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