Ninjacart has had the rare gift of optionality. Backed by Walmart and Flipkart, it reinvented its model again and again. It started with a hyperlocal B2C apartment play, then a B2B aggregator, a radical shift towards a pure digital play, then a constellation of trading apps, and now a retreat to imports and quick commerce. Six lessons for food system entrepreneurs from Ninjacart’s Pivots