Major trade shows and conventions coming to San Diego Convention Center, USA, in January are expected to generate over US$42m in direct delegate spend, according to local research. The venue is starting the new year on the front foot with several large trade events booked in for the first two months of 2019. The January B2B programme starts with Minefaire on 5-6 January. It is a trade show expecting to attract 10,000 attendees. That is followed by the Mary Kay Leadership...