A computer generated of image of a robotic probe issued by Lunar Mission
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Tech review: A look back at the week's headlines

Messaging app Snapchat has launched a feature that will allow users to send money to others.

Meanwhile, WhatsApp has turned on end-to-end encryption for the Android version of the service, making it harder to eavesdrop on messages exchanged by users of the app.

And a British-led consortium is aiming to raise £500m ($785m) from public donations to send a robotic probe to the Moon in 10 years' time.

More at BBC.com/Click and @BBCClick.

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