Redstone's death follows a long period where he was out of the public view, and his daughter Shari had taken control of his companies, Viacom and CBS (now merged.)
The educational streaming service founded by the former CEO of Discovery plans to go public through a $330 million merger with a special purpose acquisition company.
Instead of just acquiring TikTok's U.S., Canada, Australia, and New Zealand operations, Microsoft is said to be mulling a buyout of the entire business.