Editorial Editorial Creative (RM) Creative (RF) NFL Content NFL AP Content Advanced search Advanced Search X Advanced Search Yahoo Developers Overview Get price Yahoo CEO Marissa Mayer delivers the keynote address Thursday, Feb. 18, 2016, at the Yahoo Mobile Developer Conference in San Francisco. (AP Photo/Eric Risberg) Use Information This content is intended for editorial use only. For other uses, additional clearances may be required. ID: 381725035433 Creation Date: February 18, 2016 05:19:02 AM Submission Date: February 18, 2016 07:58:59 PM Photographer: Eric Risberg Source: AP Credit: ASSOCIATED PRESS Resolution: 3000 x 2000 1.17 MB Person: Marissa Mayer Location: San Francisco, CALIFORNIA, United States Transmission Reference: NYOTK Byline Title: STF Caption Writer: ER Usage Notes: This content is intended for editorial use only. For other uses, additional clearances may be required. X Message Box Cancel Ok No Yes