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This Pervasive DayImagine a world where your clothes sense your blood pressure, heart rate and body temperature. Suppose the sensors transmit this information to 'the cloud', continuously and unobtrusively. Suppose artificial intelligence in 'the cloud' detects an anomaly. Suppose it tells your doctor: sighs of relief all round. But then suppose it tells an actuary, who tells your insurer, who tells your employer This is the world of pervasive adaptation. This
Imagine a world where your clothes sense your blood pressure, heart rate and body temperature. Suppose the sensors transmit this information to 'the cloud', continuously and unobtrusively. Suppose artificial intelligence in 'the cloud' detects an anomaly. Suppose it tells your doctor: sighs of relief all round. But then suppose it tells an actuary, who tells your insurer, who tells your employer ...This is the world of pervasive adaptation.This Pervasive Day explores the potential -- and perils -- of daily living with pervasive adaptive computing. This is the result of saturating ourselves and our physical environment with sensors, cameras and devices, all connected to and inter-connected by global networks and computers, which can run increasingly intelligent machine-learning and data fusion algorithms on datasets that could be generated by the entire human population.This book takes as its unifying theme Ira Levin's 1970 science fiction novel This Perfect Day to expose both potential innovations and controversial social issues. It explores the science and technology of pervasive adaptation through a human-centred and socio-technical perspective within the cultural, ethical and legal context of contemporary life. It discusses how pervasive adaptation could provide the foundations for a new range of life-enhancing and planet-saving applications in health, sustainability and assistive living. On the other hand, with the recording, storage and processing of every action, emotion and thought, there also arise the possibilities for unwarranted surveillance, invasions of privacy, loss of civil liberties and commercial exploitation.This Pervasive Day is an insightful read for anyone concerned with the social impact of technology. Written by experienced technologists with a deep interest in computational intelligence, human-computer interaction and ambient systems, This Pervasive Day is a remarkable single source of reference -- a fusion of several technical disciplines that makes for a broad scope of investigation within the domains of pervasive computing.Unifying, informative and thought-provoking, This Pervasive Day takes its place as a landmark title that will challenge the perceptions of the technologists and policy-makers, the pragmatists and the theorists, the doers and the thought-leaders.Shipping Notes
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★★★★★ 5
Tan lines
Size: 6.7 Fl Oz (Pack of 1)
This sunscreen works great. It’s light and doesn’t feel greasy on your skin. I use it all the time.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Lightweight glowing hydrating sunscreen
really love how this sunscreen feels so light and smooth on my skin without leaving any white cast at all. It blends in quickly and gives a natural, hydrated glow skin with hyaluronic acid and collagen. My skin feels moisturized all day, and it doesn’t get oily or greasy even after hours. It’s gentle enough for my sensitive skin and hasn’t caused any irritation or breakouts. it’s a great everyday sunscreen that keeps my skin protected and fresh.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Lightweight Sunscreen with Great Hydration
This sunscreen feels lightweight on the skin and blends in nicely without leaving a heavy or greasy feeling. I like that it gives SPF 50 protection while also adding hydration, so it works well as part of a daily skincare routine. It leaves the skin feeling soft and comfortable.
The formula sits nicely under makeup or can be worn alone for a natural look. It absorbs well and does not feel sticky, which makes it easy to reapply when needed. A great option for everyday sun protection with added moisture.
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Best sunscreen
I really like this sunscreen. It feels lightweight on the skin and blends in easily without leaving a white cast, which is a big plus. The texture is smooth and moisturizing, but it does not feel oily or heavy. It works well for daily use, especially under makeup, and feels comfortable even on sensitive skin.
The SPF 50 PA++++ protection gives good peace of mind for everyday sun exposure. I also like that it has hyaluronic acid and collagen, so it feels more like skincare than just sunscreen. Overall, it is a great affordable Korean sunscreen and I would definitely recommend it.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
My honest review
Lightweight Protection with No White Cast
I am very satisfied with this sunscreen. The texture is lightweight, it absorbs quickly, and it truly leaves a "no-cast" finish—without that white layer that many sunblocks tend to leave behind. Plus, it feels hydrating thanks to the collagen, so it works beautifully under makeup or on its own for everyday wear.
It offers excellent SPF 50+ PA++++ protection against UVA and UVB rays and leaves no greasy residue. The size is convenient for carrying in a bag or taking along on trips.
After using it for several days, my skin feels protected, soft, and comfortable, even in hot weather. I would definitely buy it again and highly recommend it to anyone looking for a lightweight, hydrating sunscreen with a natural finish.
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Reviewed in the United States on May 16, 2026