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Snapchat's latest revamp hasn’t gone down well. One million people signed a petition demanding the app to roll back its changes, as they say the new layout is hard to use. Now, Kylie Jenner has tweeted saying she’s stopped using the app to her 24.5 million Twitter followers. This caused Snap's shares to sink.

Â鶹Éç Newsbeat's Roisin Hastie gives us the low down on the ‘queen of Snapchat’ and the future of the tech company.

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