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Disruptive technologies such as artificial intelligence, robotics, blockchain (a digitized public ledger of transactions) and 3D printing are indeed transforming social, economic and political systems, often in unpredictable ways. The technology itself is difficult to map because its pace of change is often exponential. It is the unpredictability that is making impact assessments difficult, but not impossible.

Dimitris Platis, CEO of GVCW Headquarters, said as Greece transitions out of an economic crisis, visitors are most welcome to come and explore.

Djibouti's Foreign Minister Ali Youssouf dismissed the hype of his country's debt to China, saying it "is so far manageable" and "let me first underline the fact that no country can develop itself without having a strong infrastructure. And China is, from that perspective, a very good partner."

Directors of the Maison européenne de la photographie in Paris and the Shanghai Center of Photography signed an agreement on Sept 8, in a bid to promote the cultural cooperation of the two cities by sharing exhibits and collections of the two institutions, along with introducing other approaches.

Didi said it has upgraded the "emergency help" function on the passenger version of its app to "press the button to report to police", and a "safety center" will enable passengers to share trip routes in the event of an emergency. The upgraded system, introduced on Tuesday, will also remind passengers to add emergency contacts to their profiles.