IBM
1. Most of IBM's outstanding software was acquired, including the rational series and Lotus Notes.
2. IBM's strength is to spoil the acquisition of good software and then force users to use other hard-to-use software.
3. IBM doesn't make money by selling software, but by making the software "poor ", then, we will make money by providing high-paying consultancy services to solve the problems of "poor performance.
4. Many good ideas of IBM, such as SOA and cloud computing. To cater to these concepts, customers have to pay 10 times the hardware and software costs required for traditional solutions.
5. IBM has only philosophy and no technology.
6. IBM made the performance of WebService incredibly bad, and then invented a hardware called datapower to accelerate WebService.
M $
1. M $ also buys software.
2. M $ continuously optimizes each software and makes it easier to use.
3. M $ does make money by selling software. M $ spends a lot of energy on software testing and basically does not need to provide consultancy services.
4. M $ is good at converting excellent ideas into practical technologies.
5. M $ has ideas and technologies.
6. M $ makes the performance of WebService amazing, and provides better WSE for acceleration.
Google
1. Google also acquired software.
2. Google will optimize it based on open-source software and build software that is still open-source but better.
3. Google's software is free, and Google makes money by advertising.
4. Google's philosophy is "simple but not simple ".
5. Google has only one idea.
6. Google did not participate in the WebService or SOA melee, because it could not implant advertisements.
Apple
1. Apple does not buy software.
2. Apple's software can only run on its own hardware.
3. Apple sells the software to you in hardware and tells you that only apple-certified software can be run.
4. Apple's philosophy is designed in the product.
5. Apple's philosophy is to help others.
6. Apple uses existing web service standards.
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The comments were modified to reflect the objective facts.