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Business Model. The most common SaaS business model is to charge per seat, while most API-first companies charge customers by usage of the product, either based on Pay Per Call (each time the API is pinged, say if you’re sending an SMS via Twilio) or as a percentage of transaction size (Stripe charges 2.9% plus $0.30 for each transaction).

The household economy of cooking, cleaning, mending, washing, and grocery shopping has arguably changed more in the past 100 years than the American factory or the modern office. And its evolution tells an illuminating story about why, no matter what work we do, we never seem to have enough time. In the 20th century, labor-saving household technolo... See more

Curating our milieu is something we all do these days, if not always consciously. Our milieus are no longer determined by where we were born, but by our choices of friends and careers, and, increasingly, by how we train the algorithms that feed us content. Most of us have not yet developed the know-how to fully leverage this.