AREAS
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Software Quality or Fintech. Don't waste a good team on something like a Kale Smoothie Delivery Service For Beardy Hipsters. Software Quality is a huge, growing issue - we have more and more young/new coders arriving, massively increasing demand for code, and yet no government enforced standards (such as those found in Law, Architecture and Accounting). The industry is suffering the exact same issues that Fred Brooks wrote about 50 years ago, despite all our modern frameworks and IDEs, because we're just doing more stuff with fewer people. Starting points: The Open Group (and TOGAF), ITIL, MinistryofTesting.com
INSPIRATION
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Hari Seldon, hero of Isaac Asimov's Foundation series, was deliberately put into a wide variety of situations and experiences to inspire his imagination and fuel his emotional responses. Get out of starbucks, do crazy shit and get uncomfortable - allow it to fuse emotion and desire for change, because that's where motivation comes from. (related: read Think and Grow Rich if you haven't already)
FROM IDEA TO BUSINESS
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Read 'The E-myth revisited' and 'The Lean Startup'