The summary could be:
The speaker introduces nine free online courses on programming, data science, artificial intelligence, DevOps, cybersecurity and blockchain from top universities and companies. He highlights the CS50 course from Harvard, which he is passionate about, and shares the story of a Brazilian who took the course and later got admitted to Harvard. He also shows how to access the course in VR mode and get a free certificate. He then briefly describes the other courses and their contents, and encourages the viewers to sign up for Omnistack Week, a series of classes on JavaScript stack. He ends by recommending another video on how to get job offers.
Here are the key facts extracted from the text:
1. The text is a transcript of a video about free online courses by Harvard, MIT, IBM, Google, and Microsoft.
2. The text mainly focuses on the CS50 course from Harvard, which teaches computer science and programming using various languages and technologies.
3. The text mentions that the CS50 course can be watched with virtual reality and that it has had guests like Mark Zuckerberg and Steve Ballmer.
4. The text also mentions a case of a Brazilian who translated and taught the CS50 course in Portuguese and later went to Harvard.
5. The text briefly introduces other courses on topics such as artificial intelligence, cloud computing, cybersecurity, and blockchain.
6. The text also promotes Omnistack Week, a series of classes on JavaScript stack using Node.js, React and React Native.
7. The text provides links to the courses and other resources in the description of the video.