Article Photos: Microsoft retools Office for touch screen, Web use

Bill Gates, founder of the software company Microsoft, speaks during a press conference after a meeting with German Development Aid Minster Dirk Niebel, unseen, in Berlin, Germany, Tuesday, Jan. 29, 2013. (AP Photo/Michael Sohn)

Bill Gates, founder of the software company Microsoft, speaks during a press conference after a meeting with German Development Aid Minster Dirk Niebel, unseen, in Berlin, Germany, Tuesday, Jan. 29, 2013. (AP Photo/Michael Sohn)