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Visit for breaking news and exclusive content Social: Robot ‘ grabs’ virtual cash envelopes Virtual “red envelopes” of money are becoming more common as gifts during Spring Festival. The envelopes became popular during the festivities in 2014, when they were promoted on the WeChat online messaging platform. A group of innovators recently created a robot that “grabs” the digital gifts being offered via smartphones. Visit our website to see how it’s being done.