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As part of the deal, AT&T is selling the Alexa-enabled Echo and Echo Dot through its website, giving Amazon more visibility for its voice-activated devices.

As people seek to make their lives easier and save resources, sharing has become popular in China.

As part of the call to action, the companies unveiled a series of commitments to stem the flow of violent content on their platforms. Some of the work is already underway through the Global Internet Forum. The group was founded two years ago by Microsoft, YouTube, Facebook, and Twitter to create a shared database of terrorist content and machine learning tools to identify violent images.

As one of the world's largest makers of memory chips, Micron has been in China for more than a decade. Currently, it has about 3,700 employees in the country. In addition to the Xi'an plant, it boasts an engineering center in Shanghai. To offer better localized products and services, Micron also has sales, marketing and customer labs in Beijing, Shanghai and Shenzhen, Guangdong province.

As of last year, over five million households in the province have started using clean energy for heating, including natural gas, electricity, photovoltaic, optothermal and alcohol-based fuel.