核心观点：亚马逊也许最终会因自身的无限强大而受到政府制约。
作者立场：较为客观，对亚马逊的发展很乐观，但是提出继续扩张将要面对的困难，表示了一定的忧虑。
笔记：
cloud computing云计算
premise前提
shareholder股东
S&P 500 index：即Standard & Poor's，The Standard & Poor's 500, often abbreviated as the S&P 500, or just "the S&P",[6][7] is an American stock market index based on the market capitalizations of 500 large companies having common stock listed on the NYSE or NASDAQ. The S&P 500 index components and their weightings are determined by S&P Dow Jones Indices.
pristine原始状态的，淳朴的
boon福利
adjacent business
