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WhatsApp & Facebook

WhatsApp is fascinating. Only 32 engineers built and maintain a system that delivers more messages per day than the total global SMS traffic, and they do it with no ads, no games, and no gimmicks. A viable company whose product costs $1 per year┬áis a new, and very exciting thing. Although these days $1/year/customer is about the profit margin of traditional PCs makers, I know which business I’d prefer to be in.

Here are a couple nuggets of wisdom I’m noting:

  • Spend more time thinking about solving the problems of the “middle billion”; those living on ~$10/day.
  • Mobile apps have access to device/ecosystem contact lists. This transforms the nature of “network effect” from a moat (stopping competitors) to a ladder (easing adoption). This is very important.
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