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When Twitch announced that streamers could opt out, thousands of users questioned why their content was being used to train AI models in the first place. Twitch has updated its account settings to let streamers opt out of having their content used to help train the artificial intelligence models of Twitch's parent company, Amazon. Although the move has reassured some creators, it remains unclear exactly when the streaming platform began using the posts, streams, and videos of its users to train Amazon's systems. The revelation is raising new concerns about how big tech companies handle their users' data . The opt-out process is simple.

'My theory is that it's masses and masses of AI money': Stuart and Mary Manley, the co-owners of Barter Books in Alnwick, Northumberland. 'My theory is that it's masses and masses of AI money': Stuart and Mary Manley, the co-owners of Barter Books in Alnwick, Northumberland. Secondhand booksellers in UK and Ireland suspect AI firms behind'strange' bulk orders Development comes after Anthropic was found to have spent millions on books to scan for'data acquisition' Secondhand booksellers in the UK and Ireland are reporting a flurry of bulk orders from mystery buyers, amid speculation AI companies are acquiring the tomes for their data. Bookshops contacted by the Guardian say they have been receiving orders from buyers in the US, Canada, continental Europe and the UK. The increase has been replicated around the world, with booksellers in the US, Australia and Europe also reporting unusual orders.

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'Row professor found dead' and'barbecue ban' Image caption, At the top of the Times is the news that ex-Cambridge professor Jason Arday, who has been at the centre of a row in-part focused on accusations of plagiarism, has been found dead. The police have said his death is being treated as unexpected, but is not believed to be suspicious. Also on the front page, Burnham calls up the military to tackle fires. Image caption, In the lead for the Daily Telegraph is that men lose right to prostate cancer test. The Telegraph also includes the news of Arday's death, noting that his memoir is due to be published in the UK later in August.

The Unitree G1 has found online fame as a relatively affordable robot that can charm a crowd. But can it ever hold down a real job? When Edward Warchocki speaks with you, he sounds like a regular guy. "Not super intelligent, but very emotional, very easy to make friends with," says Bartosz Idzik, the person who created him. But when he doesn't talk, it's harder to forget what Warchocki really is: a 4-foot-tall humanoid robot that's wandering the city streets of Poland.

Fires across England and Wales have prompted a national government alert warning people not to light anything that could spark a wildfire. The warning on Friday evening came as it was revealed 19 homes were destroyed and a further 18 damaged in a huge fire in Stourbridge, West Midlands, that spread rapidly through grass and woodland on Thursday before damaging homes. Prime Minister Andy Burnham told members of the public to take the warning seriously, adding it was triggered at the request of firefighters. West Midlands Fire Service chief fire officer Simon Tuhill said the Stourbridge blaze was one of the most significant incidents the service had ever dealt with. It was one of several fires being dealt with across England and Wales on Friday.

Jason Arday, the former University of Cambridge professor at the centre of a plagiarism row, has been found dead. Emergency services said a man was found unresponsive at an address in Battersea, south London, on Friday afternoon. Metropolitan Police officers were called by the London Ambulance Service. A 41-year-old man was pronounced dead at the scene and his next of kin have been informed, the force said. Arday resigned as a Cambridge professor of sociology of education last week after allegations of plagiarism and questions about some of his achievements.

Railway services were plunged into chaos after a train derailed in Essex. The Greater Anglia service from Southend Victoria to London Liverpool Street came off the tracks in Wickford at 14:12 BST on Friday, leading to all trips being cancelled . About 45 passengers were on board the commuter-line train but nobody was injured and it remained upright, according to investigators. It happened less than 24 hours after two passengers were seriously injured in a separate derailment in East Sussex . 'The train swung wildly,' says passenger on board derailed service Network Rail has warned passengers that major disruption will continue until at least Saturday, including for those going to Southminster and Braintree.

Say More Look Up Safety Net Mashable's Best: E-readers, robovacs, laptops, earbuds, smart home and more Creator Hub Versus Gift Ideas For Everyone On Your List Mashable Selects Switch Off Trending Now In My Bag VidCon with Mashable All Series Trump drone tariffs: Who is impacted? New Trump tariffs on drones are set to roll out. New Trump tariffs on drones are on the way. On Thursday, Trump announced new tariffs specifically targeting drones made outside of the United States, as well as their components. So, what drones are now subject to tariffs and what will the impact be?