Last year we published an article about the calculation of free cash flow and the alternative approaches used by Amazon. That original article is still very relevant; recent accounting changes have prompted us to publish an update. New accounting rules effective in 2019 change and improve the data available to you under both IFRS and US GAAP when making the adjustments we advocate. We explain these changes, provide updated free cash flow measures for Amazon, based upon their 2019 financial st...