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Amazon’s decision to open the digital brain up to developers and device manufacturers in 2015 has helped Alexa proliferate and learn more than 15,000 skills. Amazon has targeted the smart home market as a key area for Alexa, with one example being the recent new integrations between home cameras and the company’s new touchscreen Echo Show device.

Among older women, the risk of spontaneous preterm labor was about six percent (60 cases per 1,000 pregnancies) at the six-month interval, compared to 3.4 percent (34 cases per 1,000 pregnancies) at the 18-month interval.

Amazon’s decision to?open the digital brain up?to developers and device manufacturers in 2015 has contributed to its early lead in the competitive smart speaker race.?The?Alexa Skills Kit?encourages third-party developers to build skills for Alexa. Developers who want to add to Alexa’s abilities can write code that works with Alexa in the cloud, letting the smart assistant do the heavy lifting of understanding and deciphering spoken commands.

American consultant Alex Cree came up with the idea to use cheese, tomato and other pizza toppings in China's popular steamed bun during a trip with clients in southern China in 2015.

Amazon’s sale on Wednesday is more than a sale — it’s a membership drive for its Amazon Prime program.?While it will be a boom for Amazon if it can replicate a big sale in July on the same order of magnitude as Black Friday, this is also about adding members to that program, which is seen by the retailer as a cornerstone to gaining customer loyalty.