Reports say that the company's IPO, believed to be worth more than $2.7bn (拢1.5bn), could now come as early as the end of July. 's owners revealed in April that it intended to float after months of speculation.
Google has steadfastly refused to conform to type with the offering of shares and has opted for an auction system and will not offer preferential shares for favoured investors.
In its filing to the Securities & Exchange Commission, which has yet to approve the listing, Google outlined a company manifesto that included the pledge that it would not be evil and that it would strive to make the world a better place.
It has also warned potential investors that it faces serious competition from bigger, more established rivals such as Microsoft and Yahoo!, and that it expects that its revenue growth rate will decline in the future.
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