Post-It-Wars

Post-It notes are one of the greatest accidents in history. You can use them to remember everything from conference call notes to birthdays to what page you left off on in your book without damaging personal, or business property. Clever Parisians are taking the unassuming note to whole new levels with the Post-It Wars. Reportedly started by an office manager at Ubisoft, workplace warzones are popping up all over Paris as they strive to out Post-It their competition with collages of everything from Spongebob to Mario to Ghostbusters. Outside of an all-out Nerf war, it’s probably the most fun you can have at the office.

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It’s time to finally put sleepless nights and groggy mornings to rest for good with a new Casper mattress. Using a combination of multiple foams and a breathable design, the Casper mattress helps you sleep cool and comfortably with just the right amount of sink and bounce. But don’t just take our word for it, try a Casper mattress for 100 nights as part of their sleep-on-it trial. Plus, Cool Material readers can save $50 on the mattress with code COOLMATERIAL. It’s time to get better sleep.