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An unmanned supermarket developed by China Telecom and convenience store chain Lawson is another highlight of the expo.

And local trade experts said Guangdong's trade with Greece will witness even faster development in the coming months after Chinese President Xi Jinping paid a state visit to Greece this month.

And it's not just the main meals that have changed. A report by Li found that the online snack market, which has been growing by an average of close to 30 percent annually is largely driven by imports, such as durian chips from Malaysia and almonds from California. The report noted that as cross-border e-commerce took off, the market share of imported snacks grew from 11 percent in 2014 to 24 percent in 2016.

Andy Liu is a Seattle angel investor, entrepreneur and the CEO of?BuddyTV. ?Read his blog,?Inspired Startup,?here?and follow him on Twitter @aceliu.?

And while the technology is interesting itself, AWS’s decision to release Firecracker under the open-source Apache 2.0 license is a huge statement about norms around open source are changing at AWS after years of criticism over its tendency to use open source projects as cloud services without contributing back to the community. In the first 24 hours, it seems like AWS is going to keep a strong hand on control of the Firecracker project for now, but that’s not surprising for a project of this size and scope in its early days.