The robot-training gold rush is coming for gig work. Instawork , best known for matching hourly staff with shifts at hotels, warehouses, and stadiums, is launching a wearable camera system that helps gig workers collect real-world data for training machines. Business Insider got the first look at the new system, called Instacore. It includes five cameras mounted on the head, chest, and wrists, connected to a compute backpack built to last an eight-hour shift. The goal is to have Instawork