Several major tech companies---including Apple, Google parent Alphabet, and Facebook---will likely have to add women to their boards of directors by mid-2021 under a pioneering new California law aimed at bringing more women into corporate boardrooms. California governor Jerry Brown signed the measure, known as SB 826, into law on Sunday.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.