Yet becoming a global brand is exceedingly hard. Emerging-market firms must struggle with limited budgets and unlimited prejudice. GfK, a consumer-research company, found that only one-third of Americans were willing even to consider buying an Indian or Chinese car. Wipro, a successful Indian outsourcer, points out that its total sales are roughly the size of IBM’s marketing budget. Only four emerging-market brands make Interbrand’s list of the world’s 100 most valuable: Samsung and Hyundai of South Korea, Mexico’s Corona beer and Taiwan’s HTC.