In a sense, Amazon.com has been applying a number of strategies regular companies have deployed for years, including Standard Oil, the famous monopoly of the 1880s.
Rockefeller's Standard Oil Co. had abused its monopoly power to keep others from competing and ordered the company to divide into 34 separate companies.
The lack of any monetary rule to constrain the Fed and the lack of any convertibility principle, as existed under the classical gold standard, means the Fed has a monopoly on base money (currency held by the public plus reserves), the supply of which is determined by a small group of Fed officials who presume to be able to forecast the future.
However, the advantages for consumers of a single operating standard in the complex computer-software market is such that nobody seriously suggests that Microsoft's monopoly should be broken up.