These firms have launched a site called Schema.org, which consists of a common set of HTML tags that webmasters would use to mark up structured data on their sites.
200 engineers may join its Bengaluru R&D centre.
An Amnesty International report has accused three major US companies-Google, Microsoft and Yahoo-of helping the Chinese government crush political dissent and freedom of expression.
Earlier this year, Yahoo! had spurned a $47.5-billion takeover bid from the software giant. The deal was mainly opposed by its chief executive Jerry Yang. Yang who is a co-founder of Yahoo! had last month announced that he would step down as the chief executive but would remain with the firm.
In the wake of Microsoft's collapsed bid for Yahoo!, Bill Gates spoke with Forbes.com on a Sunday afternoon in an exclusive interview to talk about Google, the future of Microsoft and why he likes being the underdog.
The state police is yet to confirm if the recent suicides are linked to the cyber game.
The bench said it can understand children getting influenced, but why were adults getting involved in it.
Alarm bells ring as Google trends for the last year show India saw the highest number of searches in the world for the Blue Whale Challenge.