Google pre-empted Microsoft's plans for a significant relaunch of its internet search service as it revealed on Tuesday changes to its own search results pages that echo some of the moves planned by its arch-rival.
The company may employ more than 60,000 people, but Mr Gates's intellectually combative nature still defines its corporate culture and he remains the figurehead for its armies of software developers.
Yahoo and Google are close to sealing a search advertising alliance that would leave Microsoft out in the cold as it hunts for a way to boost its own flagging search business, according to a person familiar with the matter. Separately Yahoo said on Thursday that talks with Microsoft on the latter's bid for the company were now over.
Can Microsoft, the fiercest predator in the software jungle, really change its spots
John Donahoe, head of Ebay's marketplace division, is preparing an overhaul for early next year that amounts to a major revamp of Ebay's core business.
Google has taken direct aim at the widely-used Wikipedia with a project designed to supplant the collectively produced encyclopedia as the primary source for basic information on the Web.
The attempt to tap a wider range of developing countries comes as IBM's earlier investment in the four biggest - Brazil, Russia, India and China - has started to pay off.
The company hinted that it is likely to offer at least $4.6bn for the most valuable piece of spectrum on offer.