Recent cases have shown that amateur publishers can be held to account for their comments, writes Michaela Whitbourn.
Andrew Farley says his tweet which defamed a teacher was a one-off because he was upset.
Astronomers at ANU want to use lasers to eradicate "space junk"
Divers propelled by underwater scooters have begun filming the ultimate underwater Google Street View. But what have they found?
Social media and email accounts are being hacked and women stalked as smartphones with global positioning technology create new avenues for domestic violence.
A hoverboard video that went viral online has been revealed as a stung by comedy website Funny or Die.