2. It uses its QQ chat application as a means to drive users to its online games and websites. Analysts say a similar model could work well for WeChat, though they also say that WeChat's Circles function adds a social networking component to the service that could eventually attract advertisers.
6. Uruguay represents a more curious case, in that its players are footballing aristocracy disguised as minnows. Like Belgium, it is a relatively young nation, yet on the field of play the Uruguayans are old hands. They have won the World Cup twice, first at the inaugural event in 1930, and then in 1950, when Brazil hosted the tournament. The latter occasion, when Brazil succumbed in front of a world-record 200,000 fans or more, is referred to there as the "Maracanazo", a national tragedy still felt today.