I was wondering if there were any updates on this thread. We just had a presentation by Underglass who deals with 3M products. Naturally they claim 3M products are the best, with the best patents etc., but their prices seemed higher than what we expected. Perhaps our expectations were out of whack.
They did claim that with their product it would avoid the "gloomy outdoor" look. Again - not sure if this is hype or reality. They also said that their product would provide privacy without giving the "mirror" look from the outside.
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