China, where few ordinary citizens have a credit card (indeed, where credit-card-style revolving consumer lending is illegal), is MasterCard's second-largest market after America.
The second is that India is full of voluble politicians, academics, diplomats and ordinary people with fiercely held views on China.
ECONOMIST: The giant neighbours are more rivals than partners
In a short time, say China-watchers, the government has made millions of ordinary citizens into document smugglers.
China's leaders know it's an issue that ordinary people are increasingly angry about, but they have offered few solutions.
Active engagement and economic ties helped bring about China's reforms, and they continue to improve life for ordinary Chinese.
But despite the triumphant handshakes between Mr Hu and his Latin counterparts, nobody is sure whether China's financial assistance will really amount to investment in the ordinary sense.
Just as damaging for China in the long run, however, may be the effect on ordinary citizens.
In emerging markets such as China Japanese products are considered either over-engineered for the budgets of ordinary people, or lacking the baubles that delight the new rich.
Environmental issues have also received increasingly frank coverage in state media in a sign China's new leaders are attempting to address growing quality-of-life concerns by ordinary Chinese.
Companies must open their books, and will be allowed margins ranging from 8% for ordinary drugs to as much as 25% for new products that cannot be made in China.
Users of China's lively social media lined up to criticize Zhang and drew distinctions between how the elite and ordinary people are treated.
Indeed it has benefited in recent years from a widespread perception among ordinary Chinese that the central party leadership is a benign force, and its valiant efforts to make China a just society are being subverted by local officials.
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