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What are QR codes on the SXSW badges?

In: SXSW [Edit categories]

Answer:

The 2010 South by Southwest (SXSW) festival badges feature QR (Quick response) codes that allow attendees to scan the codes of people they meet and immediately upload their contact information. This reduces the need for business cards at the festival.

First answer by KMac. Last edit by KMac. Contributor trust: 997 [recommend contributor ]. Question popularity: 1 [recommend question].

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