For more background on the development read Idea Man from Microsoft co-founder Paul Allen, a really interesting read (at least the first half of the book, later

For more background on the development read Idea Man from Microsoft co-founder Paul Allen, a really interesting read (at least the first half of the book, later chapters are describing how he spends his money being a billionaire) https://en.wikipedia.org/wiki/Idea_Man https://en.wikipedia.org/wiki/Idea_Man