Meta Platforms’ Instagram spin-off Threads has racked up more than 100 million users in just five days, making the Twitter challenger the fastest growing app in history, beating ChatGPT’s recent record of 100 million users in two months. Threads was launched in 100 countries on July 5, and surpassed 100 million sign-ups on Monday. On Friday, Meta CEO Mark Zuckerberg wrote from his @zuck account on Threads that the app had already crossed the 70 million mark, performing “way beyond our expectations.” Ramping up the rivalry between Zuckerberg and Elon Musk, Twitter has threatened legal action against Meta due to similarities in the two microblogs. Read more

TikTok is branching out from short-form video with a new music streaming service poised to challenge Spotify and Apple Music. Called TikTok Music, the subscription-only platform has debuted in Brazil and Indonesia. Users can sync existing TikTok accounts to share songs, as well as listen and download tunes, including titles from the Sony Music, Universal Music Group and Warner Music Group catalogs. TikTok Music replaces ByteDance’s previously launched music platform Resso, which on September 5 will cease operations in Brazil and Indonesia. The new offering is priced the same: between $3 and $3.50 monthly for Android and iOS. Read more

Shein is aiming to take on e-commerce powerhouse Amazon. The Singapore-based fast-fashion phenomenon is branching out from its own branded apparel to become a marketplace where third parties can merchandise their wares — everything from designer clothing to small appliances and maternity products. The 11-year-old company recently launched its expanded marketplace in Brazil, Mexico and the U.S., and has Europe in its sights. The U.S. is a huge market for the company, accounting for an estimated $8 billion in 2022 sales, or about a quarter of its business, largely due to teenage appetite for its $5 skirts and $10 jeans. Read more

IATSE, the International Alliance of Theatrical Stage Employees, has adopted what it is calling “Core Principles for Applications of Artificial Intelligence and Machine Learning Technology” in the entertainment industry. Unveiled last week, the document follows the May creation of the group’s Commission on Artificial Intelligence. The activity is meant to convey a proactive approach to the challenges and opportunities ahead. “With AI, the stakes for IATSE members in all crafts is high,” said IATSE International President Matthew Loeb. “There is much work to do, but I am pleased to report the union’s efforts are already well underway.” Read more

OpenAI believes artificial intelligence exceeding human intelligence “could arrive this decade.” Calling the massive compute power “superintelligence rather than AGI to stress a much higher capability level,” the company warns that even though this new cognition holds great promise it will not necessarily be benevolent. Preparing for the worst, OpenAI has formed an internal unit charged with developing ways to keep superintelligent AI in check. Led by OpenAI’s Ilya Sutskever and Jan Leike, the Superalignment Team will work toward “steering or controlling a potentially superintelligent AI and preventing it from going rogue.” Read more