If you're one of the 600 hundred million people around the world who work shifts, trying to plan out your day can be a nightmare. You're given a printout of your schedule several weeks in advance but you might be asked to change shifts at the very last minute. If you have a sudden emergency, you must scramble to find a co-worker who can replace you. The problem is that there's often no formal way to do this: Often, you're left to your own devices, which means reaching out to your colleagues through a Facebook group or texting them on WhatsApp. "They're really relying on just SMS and basic pictures of their schedule," Atif Siddiqi, a former retail employee says.
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