This is part of Retail Outlook, a series of articles running over the next four weeks that explore timely topics and trends for the retail industry in 2020. Click here to see more stories in the series. Cautious consumers under increased economic pressure and a system of investments to improve experience are setting the stage for the next wave of rapid e-commerce growth.  Uncertainty is not the only certainty for the Australian retail industry in 2020. We also know that e-commerce will contin