It's our one hundredth Quantified Self links post! Thanks for sticking with us on this wild ride.

Way back in the first few issues we highlighted apps and devices like …
Microsoft Band 2

Microsoft's second activity tracker/smartwatch crossover has a two day battery life and an always-on
watch mode. It handles the usual smart notifications from Windows Phone, Android, and …
Products
Polar Loop 2

The second iteration of Polar's Loop fitness band adds notifications for calls and messages and does that
"time to stand" thing that Jawbone started and Apple …
Products
SmartHalo

Turn your bike into a "smart bike" by adding the SmartHalo to your handlebars. It provides turn-by-turn navigation
by lighting up when you need to turn, reminds you …
Products
Nuyu

This tracker comes in at only US$48, syncs to your iOS or Android phone via Bluetooth, and promises to track
steps, sleep, and calories burned. The band comes …