Four short links: 15 February 2018

Four short links
Four short links
  1. Donut Drone (IEEE) — clever drone that is collision-safe. Nice!
  2. Hitchhiker’s Guide to Consensus AlgorithmsIn the world of crypto, consensus algorithms exist to prevent double spending. Here’s a quick rundown on some of the most popular consensus algorithms to date, from blockchains to DAGs and everything in-between.
  3. Facebook Spamming Users via Their 2FA Numbers (Mashable) — when your profits are proportional to engagement, your business model turns your business into a junkie. It will cajole, stalk, berate, and trap users to feed its engagement addiction.
  4. What Happens When Startups Replace The Founder? (HBR) — about 20% are replaced; noncompete laws help/hinder recruitment; it’s overall beneficial; startups perform better when the founder leaves the company; raising external funding raises the probability that the founder will be replaced.
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