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HDX Simulations

Running a virtual session that is not a webinar

A camera grid is not a room. Everything experiential depends on — peripheral vision, overheard argument, the pause before someone speaks — has to be rebuilt deliberately or it is simply absent.

21 September 2026 5 min read

A camera grid is not a room, and most virtual experiential sessions fail because they are designed as though it were.

Everything an in-person session quietly relies on — peripheral vision, overheard argument, the pause before someone speaks, a table you can walk to — is absent by default online. It has to be rebuilt deliberately, item by item, or the session becomes a webinar with breakouts.

What is actually missing

Peripheral awareness. In a room, you know how the other tables are doing without looking directly at them, and that knowledge changes your behaviour. Online, a breakout room is an isolation chamber. Teams have no idea whether they are ahead or behind, so they cannot calibrate, and the competitive pressure that makes a simulation work evaporates.

Overheard conversation. A facilitator walking a room collects most of their debrief material by hearing fragments in passing. Online, you hear one room at a time and your presence changes it the moment you arrive.

The physical trace. In a room, what a team built is on the table at the end. It is evidence, it can be pointed at, and it cannot be quietly revised. Online, the artefact is a document that can be edited after the fact and usually is.

The cost of leaving. Walking out of a room is conspicuous. Turning the camera off and answering email is not.

Rebuild the awareness first

The single highest-value thing in a virtual design is a shared state that every team can see at all times.

A scoreboard, a resource tracker, a map of what has been claimed — anything that makes each team's position visible to the others without a facilitator announcing it. This is not a nice extra. It is the replacement for peripheral vision, and without it teams are playing solitaire in parallel.

It also has to update continuously rather than between rounds. A board that refreshes once a round tells a team how they did; a board that moves while they work tells them what to do next, which is the behaviour you came to see.

Breakouts: shorter, and with a defined end state

In-person, a group given twenty minutes uses twenty minutes. Online, a group given twenty minutes has a real conversation for nine and then waits, with the cameras on, saying very little.

Give shorter blocks — eight to twelve minutes — and give each one a specific artefact to produce. "Come back with your allocation and the one thing you nearly did instead." A named deliverable is what stops the drift, and the second half of that sentence produces the debrief material.

Send teams back in twice rather than once for a long stretch. The rhythm of leaving and returning is what replaces a facilitator's presence in the room.

Run it with two people

One person cannot both facilitate a virtual session and manage the machinery. The second person handles breakouts, timing, the shared board and the person who cannot get their audio working — which happens every session and derails a solo facilitator for four minutes at the worst possible moment.

The second person is not a producer in the broadcast sense. They are watching the rooms you are not in, and their notes are half your debrief.

The debrief has to change shape

The in-person move — open question to the room, wait through the silence, someone speaks — does not work online. The silence is unreadable. Nobody can tell whether anyone is about to speak, so nobody does, and eight seconds in the facilitator rescues it and answers their own question.

Three things work instead.

Write before you speak. Put the question up and give ninety seconds of silent typing into the chat before anyone talks. Everybody answers, you get the range rather than the loudest view, and it costs a minute and a half.

Name people, warmly and in advance. "I am going to come to Ana, then Paulo." Nominating is rude in a room and essential online.

Point at the record. You have something a physical room does not: a log. What each team did, when, in what order. Putting a team's actual decision sequence on screen and asking them to narrate it is more powerful online than anything available in person, and it is the compensation for everything else that was lost.

What virtual genuinely does better

Three things, and they are worth designing towards rather than merely tolerating.

The data is complete. Every decision is timestamped, so the behavioural record is exact rather than remembered.

Geography stops mattering. A team that is actually distributed can be run as it actually works, rather than assembled in one city for a day, which is a more honest test of how they collaborate.

And it is repeatable cheaply. A ninety-minute virtual session run three times over three weeks does something a single day cannot: it lets a team try a changed behaviour, return, and be asked what happened. Spacing is the strongest lever in transfer, and virtual delivery is the only format where it is affordable.

The honest limit

Some things do not survive the move. Anything that depends on handling a physical object, on a room's collective reaction, or on the specific discomfort of disagreeing with someone two feet away, is diminished online and no amount of design recovers it fully.

Know which of those your brief depends on before you choose the format, rather than discovering it in the debrief.

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Fernando Mendes, HDX Simulations

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