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Philips Hue will force users to upload their data to Hue cloud
(www.home-assistant.io)
This is a most excellent place for technology news and articles.
I can think of a few companies / products that would love to know that you're in the bathroom every couple hours, for instance.
Or even anonymised, a company or study might want to buy "average Nova Scotian time spent in living room on weekends"
Big data is worth big $$$