Asynchronous vs synchronous
Synchronous communication happens in real time: a meeting, a call, a live screen-share. Everyone has to be present at once. Asynchronous communication is decoupled in time: you record or write something now, and the other person consumes it later. Email is async text; a recorded walkthrough is async video.
The trade is simple. Synchronous is best for real back-and-forth (a decision with trade-offs, a hard conversation). Asynchronous is best for transferring information (a status update, a walkthrough, a “here’s what I changed”), which is most of what fills calendars.
Why teams use async video
A two-minute screen recording often does the job of a 30-minute meeting and gives everyone their time back. Viewers watch when it suits them, at their own speed, and can replay the tricky parts. It also leaves a permanent, shareable record anyone who joins later can catch up on, which a live call never does.
It’s especially powerful across time zones and for deep-focus work, because it respects attention instead of interrupting it.
How to make an async video
Record your screen (and optionally your webcam and voice), keep it to one topic and a couple of minutes, and share the link instead of the file. Open with why it matters and end with one clear next step. A screen recorder that gives you an instant share link makes it a 60-second habit.
Related: How to record your screen · What is a walkthrough video? · Try Opivv free