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About 30 years ago, “I’ve fallen and can’t get up” was a catchphrase defining tech for the elderly. Now, inexpensive sensors that can detect movements and vital signs routinely help caregivers and family keep an eye on frail adults from afar. https://t.co/V6A3qNuieB https://t.co/Ca5y5nohzm — PolitiTweet.org