When you always rank low among your Fitbit friends - Matt Maldre
Get Moving With Fitbit's New Premium Challenges - Fitbit Blog
How to use Challenges in Fitbit for iPhone and iPad | iMore
How to use Challenges in Fitbit for iPhone and iPad | iMore
Team Option for Challenges - Fitbit Community
Ask Fitbit: How Can I Challenge My Friends in the Fitbit App?
Fitbit tips and tricks
Shape & Men's Fitness FitBit Blogger Challenge - Paige Kumpf
New Fitbit Community Makes it Easier to Find Friends, Join Groups & Share Inspiration
How to use Challenges in Fitbit for iPhone and iPad | iMore
Fitbit Launches Challenges to Push You and Friends to Go Further - louisgray.com
Reppin the East Coast! Shape & Men's Fitness FitBit Blogger Challenge - Sweet Tooth Sweet Life
Blog - Keep moving mama
Fitbit leaderboard | Web design, Guidance, Responsive design
Get Moving With Fitbit's New Premium Challenges - Fitbit Blog
Introducing Challenges, a New Way to Step It Up with Friends - Fitbit Blog
Get Moving With Fitbit's New Premium Challenges - Fitbit Blog
New updates make the Fitbit app more of a social feed and inspiration tool | Ars Technica
louisgray.com: Fitbit Launches Challenges to Push You and Friends to Go Further
Shape and Men's Fitness Fitbit Blogger Challenge Team EAST coast — Katrina Runs for Food
How Fitbit have nailed gamification & 10 lessons you can learn from them - UXM
louisgray.com: Fitbit Launches Challenges to Push You and Friends to Go Further
How to use Challenges in Fitbit for iPhone and iPad | iMore
Ultimate Fitbit Badge List: 62 Distance, Floor, and Lifetime Badges
