Aggregators for property listings have not been especially warmly welcomed across Europe, where reactions have ranged from ignoring the newcomers, to hauling them into court. Meanwhile consumers are beginning to use these search engines as a more convenient resource than the traditional “walled garden” real estate sites.

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Craigslist said it has begun cracking down on illegal sex-for-hire activity by requiring massage parlors, strippers and escort services to pay $5 per listing, payable by credit card. Craigslist said it would donate all proceeds from such advertising to charity.

Recent reports by some Hong Kong newspaper groups paint a mixed picture of how they are adapting to changing conditions.

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Tencent Holdings, operator of QQ, China’s biggest instant messaging service, remains optimistic regarding the impact on its business of slowing economic growth.

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Baidu, operator of China’s biggest Internet search engine, posted a 91 percent increase in third-quarter profit in October after surging Web usage enticed more firms to buy advertising on its site.

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