Smart tech investor thinks about: a) future product roadmap, b) bottoms-up market size & growth, c) talent and skill of team. Essentially you are valuing things that have not yet happened, and the likelihood of the CEO and team being able to make them happen. Finance people find this appalling, but investors who do this well can make a lot of money.

All's fair in love, war and ride-sharing.

Today's leading real-world retailer, Wal-Mart, uses software to power its logistics and distribution capabilities, which it has used to crush its competition

Over the next 10 years, I expect many more industries to be disrupted by software, with new world-beating Silicon Valley companies doing the disruption in more cases than not.

The smartphone revolution is under-hyped, more people have access to phones than access to running water. We've never had anything like this before since the beginning of the planet.

The multipurpose device will always fail.

The gulf between what the press and many regular people believe Bitcoin is, and what a growing critical mass of technologists believe Bitcoin is, remains enormous.