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Buzz Aldrin in hologram form, a zero-gravity VR chair, and other SXSW 2017 moments you may have missed

Tech's annual "ideas" show has come to an end. From captivating art installations to impressive headset-less VR, here are some of the best things that SXSW 2017 had to offer.

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Leah Yamshon is a former Macworld editor.
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