" The problem is getting huge." Once thought of in South Africa as plants for the poor, succulents have come into fashion internationally in recent years, valued for their quirky, sculptural forms and the relatively little maintenance they require.... But the Internet has blown the market wide open, said Dr Carly Cowell, a South African scientist based at Royal Botanical Gardens, Kew, in England, who was involved in a recent project that used artificial intelligence to track the illegal online