From the BBC World Service: It's the start of the Lunar New Year — a major retail event. In China, AI has increasingly been merging with the shopping experience, and companies have poured billions of dollars into competing for customers over the next couple of days. Then, France and India are poised to sign a major deal for India to buy over 100 French-made Rafale jet fighters worth $35 billion. And, Cuba's world-famous cigar festival has been cancelled due to fuel shortages.