Substack, the web-based publishing and discovery platform, has opened an investment round to its writers and potentially other retail investors. Founded in 2017, the company has already raised more than $85 million, most recently from venture firm Andreessen Horowitz and entrepreneur Audrey Gelman. But last year, in a rough economic climate, it reportedly came up dry and is now asking the many writers who rely on it to put skin in the game. Based on early response, Wednesday’s announced goal of $2 million was upped to $5 million the next day. Read more

Elon Musk and Steve Wozniak are among a group of more than 1,100 tech leaders, researchers and AI stakeholders who have signed an open letter calling for a pause on “giant AI experiments.” The missive, published by the Future of Life Institute, warns of “profound risks to society and humanity” that could be caused by an “out-of-control race” to develop and commercially deploy artificial intelligence systems “that no one — not even their creators — can understand, predict, or reliably control.” Other signatories include politician Andrew Yang, Skype co-founder Jaan Tallinn, Pinterest co-founder Evan Sharp and Stability AI CEO Emad Mostaque.  Read more

SoftBank-owned Alibaba Group — with headquarters in Hangzhou, China — plans to split into six independent companies that may seek separate IPOs, the company announced as Chinese authorities appear to be winding down a regulatory clampdown on the country’s powerful technology sector. The business empire assembled around e-commerce by industrialist Jack Ma these past 20 years was at its peak valued at more than $800 billion but is now assessed at about one-fourth that amount. The company’s stock soared on the news adding about $32 billion in global value, a rising tide that also lifted competitors’ boats. Read more

Despite threats by U.S. lawmakers to ban popular social video app TikTok, parent company ByteDance continues to drive its apps to the top of the charts. The Chinese company’s latest hit is Lemon8, described as a rival to Instagram that serves a “lifestyle community.” As of Monday, Lemon8 was No. 10 across apps and games in the U.S. App Store’s Top Charts. On Tuesday it climbed to No. 9 among apps. The video- and photo-sharing app was launched internationally in March 2020, but ByteDance appears to have taken a new interest in promoting it. Last month, media outlets reported the company was paying influencers to post on it. Read more

On March 2, an international gathering of media technology executives and startups spent an hour discussing “the multiverse” and related topics. It was part of a day-long SPROCKIT Sync and ETC@USC Multiverse Symposium co-sponsored by the ETC and SPROCKIT, with additional support from ETC member Ronin X Foundation. Moderated by ETC’s Phil Lelyveld and Ronin X’s Sandeep Casi, attendees debated how to define the metaverse; discussed how development would impact contracts, rights and payments; raised tech implications of free range experiences and dynamic storytelling on capture and distribution processes and infrastructure; and addressed mixed reality experiences being planned and tested for theme parks. Watch a 9-minute video highlight reel of the discussion. Read more