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Amid fast-changing developments, Microsoft's exit from the scene came a week before Trump promises to follow through with his plan to ban the app in the US, if its assets there are not sold. Microsoft was the first to confirm it was courting TikTok. It had teamed up with the retailer Walmart to make its bid.

Amazon’s Jeff Wilke, CEO of the company’s Worldwide Consumer Business, made one of the biggest announcements of the week, unveiling a fully-electric drone that can fly up to 15 miles and deliver packages under 5 pounds in less than 30 minutes. Wilke also showed the array of different sensors that are built into the drones, in an effort to ensure safety during deliveries.

Among the developments, Chinese consumers are now much quicker to make purchases online, notably through China's main social network WeChat.

Amazon’s bid to build the Pentagon’s war cloud has been mired in accusations of favoritism since the beginning. But a new ProPublica investigation reveals how close Amazon and its CEO Jeff Bezos have been to the project since its inception.

Among the participants are over 700 government officials and businessmen from the Central and Eastern European Countries.