Tracking? Put it on your finger

Here is an activity tracking product that is trying to disrupt its way into the wearable wristband market: a ring for your finger! The Motiv Ring Activity + Sleep Tracker monitors your sleep and fitness, including steps, calories and distance. It also has an optical heart rate sensor. The developers say the battery life lasts

25 top blockchain use cases

A blockchain is a data structure that makes it possible to create a digital ledger of transactions and share it among a distributed network of computers. It uses cryptography to allow each participant on the network to manipulate the ledger in a secure way without the need for a central authority. I’ve written more about

How is the air quality in your personal space?

Do you frequently travel to places like India or China, in cities where smog van be a problem? Plume Labs has designed a wearable device focused on tracking pollution in your environment. The Flow tracker works both indoors and out, and tracks nitrogen dioxide, ozone, volatile organic compounds (VOCs), temperature, and humidity. Wearers can clip