Chimpanzees
Three chimpanzees sit together
(Image credit: curioustiger / Getty Images)

This week's question: Chimps have been observed in the wild carrying on brief conversations using hand gestures, exchanging up to seven consecutive signs for commands such as "stop it," or "groom me." If a tech firm were to design a WhatsApp-style messaging service for chatty primates, what name could it give the app?

Click here to see the results of last week's contest: Tattoo prediction

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