"Over the past 10 years, technological advances dramatically lowered the financial bar for starting a new company, but the courage bar for building a great company remains as high as it has ever been."
Not quite, because technology has chipped away at least a little bit at the number of fork-in-the-road decisions that can't be undone. If a choice is easily undone it's not really a choice anymore. You can just try both options, in series or in parallel.