Amazon is starting a cost-cutting review, part of an annual process that this year will involve the same macroeconomic factors that have led the company to freeze hiring and cut several projects. The review comes a week after Amazon announced it was freezing corporate hiring for the next few months. As part of the review, Amazon has told employees in some unprofitable divisions that their teams were being suspended or closed, The Wall Street Journal reported Thursday. The Journal was among the first to report on the cost-cutting review. Amazon did not respond to questions about whether the rev…