While she has continued to engage in early-stage deal talks with a wide range of video, social-networking, and advertising-technology companies, according to people familiar with the talks, to date, she has bought only small companies for their engineering and product-management talent.

WSJ: Yahoo Deal Shows Power Shift

While Ms. Mayer has continued to engage in early-stage deal talks with a wide range of video, social-networking and advertising-technology companies, according to people familiar with the talks, to date, she only has bought small companies for their engineering and product-management talent.

WSJ: Yahoo Deal Shows Power Shift

Acquisitions have long been expected to be part of Ms. Mayer's strategy, though to date she only has acquired small companies primarily for their engineering and product-management talent.

WSJ: Yahoo to Buy Tumblr for $1.1 Billion