TechPulse O2: Withings' new wearable toy for health buffs monitors blood oxygen, activity and heart rate Withings has come out with Pulse O2, the world’s first activity tracker that can measure the level of oxygen in the blood. It can also read the wearer’s sleeping patterns, steps, elevation, heart rate and calories burned.by Nicole Arce
How the Internet Works: An Beginners Guide to How Websites Load, What a Server Is, and How Data Travels Online
