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Lenovo quietly launched the world’s lightest laptop but it won’t sell it outside Asia
(www.techradar.com)
This is a most excellent place for technology news and articles.
Made of Unobtainium.
Are there supply issues? IDK, I haven't looked into getting one, but there's a number of people that have received theirs and have commented on them, good and bad.
They're only available for pre-order, they ship in 3-6 months.