how does a device know what to play for AR? Like those business cards that start playing when you point a camera at it…

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how does a device know what to play for AR? Like those business cards that start playing when you point a camera at it…

In: Technology

The card has a machine-readable address pointing to somewhere on the internet. That address contains all the information required to display whatever is supposed to be on the card, and the reading phone needs to download it through its data connection.