![A new, smarter GPS tracker, Day One as a running journal, and more: Quantified Self weekly links · Exist A new, smarter GPS tracker, Day One as a running journal, and more: Quantified Self weekly links · Exist](https://exist.io/static/media/public/qs-smarttracker2.png)
A new, smarter GPS tracker, Day One as a running journal, and more: Quantified Self weekly links · Exist
![Amazon.com: STATSports Womens APEX Athlete Series GPS Soccer Activity Tracker Stat Sports Football Seamless Performance Bra Wearable Technology Adult XL : Electronics Amazon.com: STATSports Womens APEX Athlete Series GPS Soccer Activity Tracker Stat Sports Football Seamless Performance Bra Wearable Technology Adult XL : Electronics](https://m.media-amazon.com/images/I/610bMIeLnhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: STATSports Womens APEX Athlete Series GPS Soccer Activity Tracker Stat Sports Football Seamless Performance Bra Wearable Technology Adult XL : Electronics
![Amazon.com : Polar Pacer Ultra-Light GPS Fitness Tracker Smartwatch for Runners; S-L, for Men or Women, Black : Sports & Outdoors Amazon.com : Polar Pacer Ultra-Light GPS Fitness Tracker Smartwatch for Runners; S-L, for Men or Women, Black : Sports & Outdoors](https://m.media-amazon.com/images/I/71e1AtMFVwL._AC_UF1000,1000_QL80_.jpg)