Какой интересный ход придумали умные люди в Microsoft:
One faction within Microsoft Corp. is promoting a bold strategy in the company’s battle with Google Inc: Join forces with Yahoo Inc.
That would be a major departure for Microsoft, the software maker that is legendary for toiling on its own until it captures a new market. However, people familiar with the situation say that Microsoft has considered the idea of acquiring a stake in Yahoo, and that the two companies have discussed possible options over the course of the past year.
Достаточно много аналитики в самой статье. Вот тут комментарий эксперта.