6Google Beats Microsoft, MIT Beats Harvard, at Least in One War Game[J]. [2008-10 - 22]. http://mitsloan.mit. edu/newsroom/ 2005 - battle- forclicks. php
7Yahoo!' s Personality Crisis[J ]. The Economist, 2005 (8): 49
8Julia Angwiu, Kevin J, Delaney. AOL, Googel Wxpand Partnership, With a Key Ad -sales Provision[J ]. Wall Street Journal,2005(12):3
