• Flow is the feed. It's the posts and the tweets. It's the stream of daily and sub-daily updates that remind people that 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.