SAN FRANCISCO - FEBRUARY 1:  Cars drive down 6th Street past a Yahoo!  In an effort to compete with internet leader Google Inc. , Microsoft Corp has made a $44.6 billion bid to buy Yahoo Inc. Getty Images logo Getty Images 49 months ago

SAN FRANCISCO - FEBRUARY 1: Cars drive down 6th Street past a Yahoo! In an effort to compete with internet leader Google Inc. , Microsoft Corp has made a $44.6 billion bid to buy Yahoo Inc.