Do you really need to upgrade your smart phone every time there's a new release?

This ultra compact projector lets you digitally annotate presentations with an interactive stylus and remote gesture control.

Our weekly news round-up: Juno reveals Jupiter's north pole; Dropbox data breach; App Store house cleaning; Samsung Note 7 recalled amid fire concerns; Australia's government retained data abused; Facebook fires its trending team; Demise of OpenOffice; Google's new phones renamed Pixel; Beauty of ad-free Netflix.

For a price, digital spying companies can track everything you do on your smart phone.

This ultra compact projector lets you digitally annotate presentations with an interactive stylus and remote gesture control.

Do you really need to upgrade your smart phone every time there's a new release?

Very small amounts of skin care chemicals can cause major damage to coral.

There are serious hazards in moving so fast, if it proves possible to do so. Colliding with a single atom of iron could knock you off course. Yet it's the only way we'll ever leave our solar system.

Our weekly news round-up: Serious iOS malware attack prompts Apple OS update within days of discovery; Extinct marsupial kitten of NW Queensland named in honour of naturalist Sir David Attenborough; Optus offers unmetered Presto and Netflix to premium mobile subscribers and bored commuters; Proxima B, a possibly habitable planet, is found orbiting Proxima Centauri, just 4 light years from our Sun; Interest in Pokemon Go wanes - down to 30 million users a day; Facebook to tap WhatsApp for targeted ads (even though they said they wouldn't).

Domino's will trial drones for pizza delivery in NZ, while others clean high rise windows or are netted by Japanese police.