What Shall We Do with a Multitouch Table

UPDATE: Added the Reactable (thanks Vincent!)

What Shall We Do with a Multitouch Table,
What Shall We Do with a Multitouch Table,
What Shall We Do with a Multitouch Table,
Early in the morning.

I've been investigating making a multitouch table for research purposes. Some googling lead me to Georg Kaindl's fantasitc, free, touché software for OS X built to integrate with home made optical multi-touch tables (video above). This software, in combination with some detailed instructions on how to build a laser-driven multi-touch table has inspired me to think about the possibilities. It seems pretty doable.

Here is an example of a touch table based on Open source software. This kind of interface lets many users interact simultaneously. I like the round form-factor of this example.

Here's the expensive Microsoft version, 'Surface' being covered by mainstream news. Could make for a nice, if not expensive, coffee table.

The cool Reactable.

But here's the question: what would you do with a multitouch table?

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