Marissa Mayer has given birth to a boy, her husband tweets. Mayer, who took over as Yahoo's...

|By:, SA News Editor

Marissa Mayer has given birth to a boy, her husband tweets. Mayer, who took over as Yahoo's (YHOO) CEO in July, has said she'll take a maternity leave of only a few weeks, and plans to "work throughout it." Update: Yahoo says Mayer will return to the company after 1-2 weeks.