Just returned from a few days in Shanghai. China is fascinating. Biggest tech-related learning was the diversity of the internal market. # There are 700 brands of mobile phone in use in China, and about 10,000 unique models. (But everyone there craves an iPhone.) # "A tainted & largely unpoliced universe of untrustworthy test results underlies bold changes in education policy." http://t.co/WItz09jO # "A tainted & largely unpoliced universe of ...