The issue focused mainly on an increase in the number of new customers in the US, which is why Amazon's chief financial officer Bob Whitehead told analysts on a conference call last week that they were worried about "an increase in the level of customer acquisition".

"Our concern is not only with our current business, which is growing, but it's also with a potential future business that we think is evolving," Whitehead said, adding that "the business that we think we are doing in India is not a