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Lenovo’s concept laptop is real, transparent, and ready to impress
(www.theverge.com)
This is a most excellent place for technology news and articles.
And in regards of text and graphs: everything is mirrored from behind. I am not sure what transparent screens may be used for.
That's kind of a cool secondary use though.
A one button screen flip to present to someone on the other side would be marginally useful.