• Search me. Yahoo CEO Marissa Mayer is not having a pleasant autumn. Reuters reports that the company, which is still dealing with the recent revelation that it was the victim of a massive hack,  last year secretly built a custom software program to search all of its customers' incoming emails for information—possibly keywords, a phrase, or an attachment—supplied by U.S. intelligence officials. As far as we know, this is the first case of an American Internet company agreeing to this type of government demand. According to two employees cited in the report, Mayer's decision to comply with the directive upset some senior staff and led to the departure of chief information security officer Alex Stamos, who now holds the top security job at Facebook.  Fortune

• Taylor phones home. Super Bowl weekend is turning into a pop powerfest. Last week, we learned that Lady Gaga will headline the halftime show. Now, AT&T has announced that it's signed a new multi-year deal with Taylor Swift—which includes a performance by Tay-Tay in Houston the night before the big game. Fortune

• See you this spring, Sharapova! The Court of Arbitration for Sport has reduced Maria Sharapova's two-year doping ban by nine months. She will be permitted to return to the court next April. Fortune

• Getting active. Dianne McKeever, co-founder of Ides Capital—the first activist hedge fund in the United States fronted by a woman—thinks other activists are overlooking the significance of diversity. Her fund "seeks to generate returns from its investments and sees diversifying small and midsize corporate boardrooms as a way to help improve stock prices." New York Times

• Depressing news. A new 13-year study—which included more than a million women—finds that taking hormonal birth control, including the pill, significantly increases a woman's chances of developing depression. Fortune

• Redstone's renaissance. This story looks at how—in just one year—Shari Redstone went from being on the outs when it came to the $40 billion family business, to "well on her way to declaring victory in the battle over the future of...two of the world's largest entertainment companies, CBS and Viacom." New York Times

• Oops! Sen. Kelly Ayotte (R-NH), who is running for reelection, has walked back her Monday remark that Donald Trump is a good role model for children. "I misspoke," she said, adding that she doesn't believe that Trump or Hillary Clinton are role model material. WSJ

• Not so Insecure. Issa Rae talks about how it feels to be the first black woman to helm her own show on HBO, why she started an organization to help other writers of color get their projects made, and why she yearns for the days of The Fresh Prince of Bel-Air and A Different World.  New York Magazine

• Movement on moms. The New York Times Magazine's Emily Bazelon asks: How did the Republican party go from treating mothers who broke the stay-at-home mold as "slightly radioactive" to fielding a candidate who gives speeches (or at least a speech) about the importance of fair pay and affordable childcare? New York Times Magazine

• See something, say something. A new study looks into the reasons employees are still so unlikely to report sexual harassment. While some of the findings are predictable (fear of retaliation), others—including power of "the bystander effect"—make for worthy reading. Harvard Business Review

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Elon Musk follows zero women on Twitter  Vice

Irene Bergman, the longest-working woman on Wall Street, dies at 101  Bloomberg

Q+A with Christine Lagarde on how tech is disrupting the global economy  WSJ

British Vogue ditches models in favor of real women—for one issue  The Guardian