Bill Gates and Melinda Gates' daughter Phoebe Gates, 22, believed she'd become the next Elizabeth Holmes after coming up with an idea for a Bluetooth tampon at Stanford University.

The Microsoft co-founder calls it "the coolest code I've ever written." ...

Melinda French Gates opened up about how she found solace in her youngest daughter Phoebe during her separation and divorce ...

Melinda French Gates recounts what led to her divorce from husband and business partner Bill Gates after 27 years of marriage ...

Melinda French Gates is opening up to PEOPLE — and in the pages of her new book, The Next Day — about some of the biggest changes in her life, including her divorce from Bill Gates after 27 years of ...