Twenty years after the introduction of the theory, we revisit what it does—and doesn’t—explain. by Clayton M. Christensen, Michael E. Raynor and Rory McDonald Please enjoy this HBR Classic. Clayton M.

Rachel Bilson and Hayden Christensen don’t need to use the Force when it comes to their dynamic. The O.C. star offered rare insight into co-parenting their 11-year-old daughter Briar Rose together, ...

The actress said she has a "unique version" of co-parenting with her ex-boyfriend tefanie Keenan/Getty;Erika Goldring/Getty Rachel Bilson is giving an update on co-parenting her daughter Briar Rose, ...

Rachel Bilson is sharing secrets about dating in the public eye. “[Adam Brody and I] were a couple on the show and a couple in real life, [fans are] like, ‘Oh, it’s Seth and Summer’ and they really ...