Joint action suggests a tougher new line from competition authorities.
Company's dual role as retailer and marketplace is being investigated.
Some publishers may be so all-in on Google that they can't move to another search partner.
Internet behemoth 'blocked' rivals Microsoft and Yahoo from selling ads in Google search results pages.
Hari Shankar, Asia-Pacific director at Performics discusses life in a Google Universe.
Two classic family brands McDonald's and Monopoly are collaborating for the first time in Singapore.
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