Since being schooled by other HN readers on parallelism vs. concurrency in the past, my way of distinguishing it: Concurrency is a programming language issue,

Since being schooled by other HN readers on parallelism vs. concurrency in the past, my way of distinguishing it: Concurrency is a programming language issue, parallelism is a resource allocation issue. EDIT: Well, this appears to be stated pretty clearly in the presentation, but I only got the presentation working after trying it for the 3rd time (in the 3rd browser).