Most Chicagoans stayed inside during the Polar Vortex, working hard to make #chiberia a nationally trending Twitter topic. Here are some highlights. You may have heard it was really cold yesterday. This is what happens when you throw a cup of hot coffee up in the air in negative temps. #instafreeze #coffeesnow http://ow.ly/sjDOf — Heritage Bicycles (@HeritageBicycle) January 6, 2014 In times like this, it’s crucial to keep certain terminology straight. Important distinction to keep in mind today: Balaclava is a ski mask; baklava is a tasty pastry. — Lisa Arnett (@lisamarnett) January 6, 2014 DNA info kept us apprised of where we could still grab a bite. Curious about what's open (and more likely closed) in your 'hood? We've got links galore in our #chiberia live blog http://bit.ly/1dJFZ8b — DNAinfo.com Chicago (@DNAinfoCHI) January 6, 2014 But the folks at Michelin weren’t getting out from under their blankets. With this wicked weather and so many restaurant closures, those still open can rest assured that we're not dining out today. — Michelin Guide (@MichelinGuideCH) January 6, 2014 Eater gave us hope that we’d stay fed if we couldn’t bring ourselves to leave the house. Restaurants open for delivery and what to know today http://eater.cc/1lxtfox — Eater Chicago (@eaterchicago) January 6, 2014 And it was the RedEye that spoke the truest of the truths. If you're getting food delivered today or tomorrow and not tipping appropriately, you're a damn monster. #chiberia — RedEye Chicago ‏(@redeyechicago) January 5, 2014