john koetsier

// write @ Forbes :: host @ TechFirst :: CEO @ Sparkplug9 //
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February 19, 1998
John Koetsier
portfolio

Previous postmaximize
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Prefer Substack? Knock yourself out
Maybe LinkedIn is better? Fine

Recently added …

  • Report: media mix modeling for mobile marketers
  • Fixing the $100 trillion physical economy: chatting with Maersk and Saint-Gobain
  • Soundtrack of the metaverse: hip-hop, games, ads, & air-dropping backstage passes to crypto wallets
  • Opinion: there is no good alternative to Twitter
  • E-commerce bots are buying everything and driving up prices. What can we do?

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My latest photos

Hibiscus. No filter. iPhone 14 Pro in portrait mode. At Castelo San Jorge in Lisbon, Portugal.
Found this blue dawn flower in Lisbon, Portugal
Halloween at the Hard Rock Cafe in Lisbon, Portugal
Winter buds

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