1. Running things in parallel is always about making things faster. (For example, putting a long-running task on a background thread is about making the main t

1. Running things in parallel is always about making things faster. (For example, putting a long-running task on a background thread is about making the main thread faster). 2. We already have a way of making things run in parallel: threads and processes. See the first code example in the fine article. The OS