THE REQUIREMENTS: China’s Internet companies must tighten control over material online, though no details were given on how.
HOW THE WARNING CAME: The party secretary for Beijing issued the warning after visiting Sina Corp., which operates a popular microblogging site, according to the party-published newspaper Beijing Daily.
THE BACKDROP: This comes as China’s Communist government cracks down on dissent and tries to block the rise of Middle East-style protests.
