…There are two kinds of quantities in the world. Stock is a static value: money in the bank or trees in the forest. Flow is a rate of change: fifteen dollars an hour or three thousand toothpicks a day. Easy. Too easy.
But I actually think stock and flow is a useful metaphor for media in the 21st century. Here’s what I mean:
Flow is the feed. It’s the posts and the tweets. It’s the stream of daily and sub-daily updates that reminds people you exist.
Stock is the durable stuff. It’s the content you produce that’s as interesting in two months (or two years) as it is today. It’s what people discover via search. It’s what spreads slowly but surely, building fans over time. …
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