| http://www.w3.org/ns/prov#value | - I forgot the exact link, but the crux of the story was alarm clocks.The article was India specific.Till around 1999, mobile phones were a rarity, and tariffs were very expensive, and mobiles were expensive too.People used to buy cheap alarm clocks(working of AA batteries lasting a month or 2).These used to cost 300-400 INR (8$) and had brisk sales.Then mobile tariffs well, and so did cost of mobil
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