The pair are going their separate ways on philanthropy after what Buffett calls a “wonderful” friendship that dates back 35 years.

The business has been accused of a practice called “cookie stuffing.”

Phoebe Gates’ shopping startup Phia is facing scrutiny after allegations that its browser extension was taking credit for online sales it did not actually generate. Phia, which was launched in 2025 by the 23-year-old daughter of Microsoft co-founder Bill Gates and her friend Sophia Kianni,